Spray foam for under bathtub. How to insulate a bathtub.

Spray foam for under bathtub Fortunately, unclogging a bathtub drain is not as difficult as it may seem. Nov 18, 2009 · Could you build a support to fit under the tub and sit firmly on the floor surface, with about a one-inch (1") gap between the top of the support and bottom of the tub? This support, along with proper filler material--spray foam, mortar, plaster, would firmly support the tub. I’ve got a tub that has some movement in it and obviously I’d like to not have to tear the tile surround off. Studies show that proper insulation reduces energy costs by up to 20% (U. Pros. com Aug 3, 2015 · We do not have the money to replace the tub. Traditionally, a mortar bed was used as the underlayment for bathtubs. Mar 29, 2023 · Benefits of Using Expanding Foam to Fill Voids Under Bathtubs . To start, wear gloves and make sure you don’t have exposed skin when you’re working with spray foam. It is normally used to seal and insulate. Spray foam can also be used on tubs that have already been fitted. I went out and bought This Stuff from Home Depot. Now cut foam insulation pieces to fill at least half of the void. Mar 23, 2013 · I saw the spray foam suggestion but I've seen how spray foam does longterm & it is not a good idea, IMO. However, its benefits will likely be felt by Oct 9, 2023 · When properly installed, expanding foam can last for years under a bathtub with proper maintenance: Inspect foam once per year for moisture issues or breakdown; Repair small cracks or gaps with additional foam; Remove tub and replace deteriorated foam as needed; Avoid exposing foam to standing water or humidity My plan is to fill up the tub as far as it will go with water to weigh it down so the foam does not lift the tub and shift/break it. Foam thickness recommendations and the decision to use adhesive or no adhesive are key considerations when properly installing foam under a bathtub. I want to put closed cell expanding foam under the tub to give it more support and insulation but I am not sure how to go about it. Nov 8, 2010 · I used spray foam under a shower a couple years ago, I just sprayed it all around under the fiberglass pan(it was open under where the drain is) when it expanded it just came out under where the drain is. What's the difference between closed-cell and open-cell spray foam for bathtubs? This is a solution I came up with for making your tub more sturdy when you're doing it by yourself. 9. Mar 11, 2019 · Spray the slow expanding foam under the tub, it will bond the tub to the floor as it dries. Spray foam doesn’t just support the tub. Also, if some foam expands in place, it can make large forces. In the basement, I have a finished bathroom with full bathtub that backs to an unfinished area and the one square foot hole in the slab for the drain is open to the unfinished area. PLus, depending on the type you use, some can fracture when you apply a load to it, leaving a void, so you end up with no support. However, you can use a leveling compound or thin-set mortar under a fiberglass bathtub. Oct 25, 2021 · Yes, expanding spray foam can be used under a bathtub. However, like any other home improvement project, i Spray foam insulation has become an increasingly popular choice for homeowners looking to improve the energy efficiency of their homes. To avoid such a situation, it becomes essential to learn how to fill a void under the bathtub. It works great if done right and insulates the tub so water stays hot longer. Someone suggested the Sika expanding foam that hardens like concrete, but my concern would be it could expand too much. 25 per board foot, while the most expensive closed-cell foam can run as much as $3. I'd never use mason's mix or spray foam or anything else. Sep 1, 2024 · What are the benefits of using spray foam under a bathtub? Spray foam under a bathtub boosts energy efficiency and supports the tub. In addition to the tub itself, water is heavy - ~ 8 lbs. The R-value measures the thermal resistance of a material, indicati If you’re considering revitalizing your old bathtub, you may have come across the term ‘bathtub reglazing. In a fixed type bathtub, You should fill the small gap around the side of the tub. Is there anything i can spray underneath (I can access under the tub from from the basement) to give support to the tub? Someone suggested expanding spray foam, but I'm not sure about that. For sealing joints in tight spaces, cans of spray foam with flexible straws are often your only good Oct 3, 2024 · You should apply spray foam to the gap (between the support and the tub). You can foam around the rest of the tub with the slow expanding or the quick expanding stuff as long as the slow stuff has set. With foam, you can expect a quieter tub and easier installation process. Open or Closed Cell. I have access to 3 sides of the tub and thin king of adding mortar under it but I read that expanding foam and plaster could also be an option. • Lastly, you can use plywood. skip to main content. Again, acetone is the best option here. Feb 25, 2022 · The best caulk alternative is spray foam. Jun 22, 2020 · Foam can raise the tub as it expands, best to weigh it down on the base and place a couple temp boards around the top screwed to the framing to keep it in place. Aside from supporting your fiberglass bathtub, spray foam is a good insulator. The f A standard bathtub holds 24 gallons of water when filled to the rim. Among these, bulk closed cell spray foam has emerged as a preferr As of September 2015, Lowe’s online site notes that it does not stock any form of flame retardant spray. To fill the void under a bathtub, start by measuring the space. Buying these kits in bulk can provide even more benefits, from cost sav Spray foam insulation has gained popularity in recent years as an effective way to insulate homes and buildings. Using Spray foam around bathtubs and water pipes to prevent freezing. With various options available, understanding how to select the mos When it comes to insulation options, contractors often find themselves weighing the benefits of various materials. This layer helps avoid bathtub creaking. I would like to spray some foam under and around the bottom of the tub to stabilize/support it a bit more. What many people don't know is that a can or two under your tub can lift the whole tub off grade. Feb 7, 2007 · Hands-down the easiest stuff to put under a tub/shower or pan is Structolite plaster. But installing the spray foam can sometimes be a complex job. Apply some to a clean cloth and wipe the spray foam off your skin. You cannot use mortar to stabilize the tub vertically. Sep 8, 2013 · For minimal damage (if I were to go this route), could someone possibly just remove the baseboards from that room and get some spray foam under there? I have also read that spray foam would be horrible to remove if and when some day I decided to remove the tub and replace it as it would be all disgustingly sticky and a hot mess. Put a long piece of plastic tubing on the end of the nozzle, then slide the tubing under the tub and start shooting the foam in as you pull the tube out. Spray foam Insulation plays a crucial role in maintaining energy efficiency and comfort within residential and commercial buildings. Among the various styles available, Kohler walk-in bathtubs have gained popularity, especially among those s As we age, maintaining independence and safety in our homes becomes increasingly important. Acrylic bathtubs are made from a no When it comes to remodeling your bathroom, choosing the right materials for your bathtub can make all the difference. Can expanding foam be used under a bathtub? Yes, expanding spray foam can be used under a bathtub. Feb 7, 2025 · When a bathtub flexes under weight or is noticeably cold, spraying expanding foam underneath is a commonly recommended solution in the DIY community. This prevents the bathtub floor from flexing while also providing essential insulation. Question I have is what foam to use- do I use the heavy duty stuff or the stuff they use around windows Was wondering if anyone has experience with spray foaming under a bathtub for support. It adheres easily to several materials, including wood, concrete, and masonry. Keep the tub full until it is all set. Expanding foam is known as a good insulator, and many contractors use it. Expanding foam is a popular and effective solution that offers a myriad of benefits over traditional filling materials such as sand or concrete. How to Get Spray Spray Foam Off Skin & Hands? Removing spray foam from hands is easy when it is still uncured Jul 25, 2023 · When your bathtub lacks proper support, it can lead to a range of problems that can affect both the bathtub itself and the surrounding areas. Standard-sized tubs are designed to fit into an alcove, surrounded by three walls. It can be applied with a nozzle or a dispensing gun. I do not recall what can it was but it was great stuff. In addition, spray foam expands to fill gaps and cracks, providing a more thorough insulation Mar 27, 2015 · The hassle with spray foam is that it can exert huge forces on the tub as it expands, and literally warp, lift, or even break the tub. It comes in two types: open-cell and closed-cell. /gallon - and you could easily have 50 gallons, > 400 lbs. Let’s see if this approach is viable. Many tub manufactures recommend setting tub bases in concrete but that can make for a cold bath in the winter. They didn’t put a good foundation, overtime that tub will crack and damage. The R-value measures a material’s resistance to heat flow; the higher When it comes to insulation, spray foam insulation kits have emerged as a popular choice for homeowners and contractors alike. Some varieties are also water-resistant. Is this something you guys have ever done. Use a can of spray foam insulation to Dec 15, 2019 · Question re Radon remediation. Here are the key advantages of incorporating foam insulation beneath a bathtub: Can you use spray foam to support a bathtub? Yes, in some cases spray foam can be used to support a bathtub, although this may depend on the type and weight of the bathtub. There are other methods, but not as easy or even possible Mar 5, 2021 · Whether the bathtub is an alcove tub, a corner tub, a drop-in tub, an undermount tub, or a walk-in tub, additional insulation will never be visible. However, many homeowners wonder about the costs Knowing how to repair bathtub drain issues will save you a great deal of trouble should any arise. Install the drain. 98 at Jun 15, 2021 · Shower & Bathtub Forum & Blog . He assured me that it wouldn’t. Sep 28, 2018 · Yes, expanding spray foam can be used under a bathtub. Sign In. Spray foam can provide a permanent and long-lasting support, although the surface area of application needs to be taken into account first. Once the pieces are in place, add weight to the tub (two buckets filled with water), attach a plastic tub to the spray Apr 22, 2024 · Considerations for Using Spray Foam Under a Bathtub. One option that has been gaining popularity in recent years is the use of Are you looking for an effective insulation solution for your home? Look no further than splash foam spray. Level the tub with the legs first. Dec 29, 2023 · My floor was about 1/16” off level so the plumber said he couldn’t set the tub into a mortar bed. I personally like using the mortar method, which just feels more concrete ;p and yeah, you got it right with the pushing down and leveling it out. Barrier insulation. For those of you plumbers that are using expanding foam under tubs, what is the best? American Standard Americast tubs sometimes need something underneath to prevent the creaking and the squeaking. If the spray foam is not properly installed, it can cause problems with the plumbing and make it difficult to clean the area under the tub. A beautiful, functional bathtub can elevate your bathro Walk-in bathtubs are designed to provide safety and accessibility for individuals with mobility challenges. So, some questions: 1. The tub is acrylic. I have the full 5ft wall exposed from the back of the tub, so I have easy access under the tub from behind it. Thanks Dougle! Apr 21, 2023 · How to Get Spray Foam Off Your Hands. comMusic: Epidemicsound. Provided you don't seal in condensation I think you are fine. My Oct 22, 2022 · Fill in the Gaps with Spray Foam. This is the best way to remove that wiggle and make it 100% more sturdy. If that is the case, then a hot tub foam insulation replacement may be required. You’ll also save on water by no longer needing to add more hot water to your bath, creating a more environmentally friendly bathing experience. At least 30% expansion rate to fill voids 3. Apr 4, 2017 · The bathtub was installed without a mortar bed just the foam it comes with during transportation and seemed to be fine but after few weeks it started to squeak when taking a bath. Good Luck, David Jun 8, 2020 · Full foam insulation. Apart from not having to hire a plumber to work on your bathtub drain, you also d Are you considering a bathroom makeover? One of the most impactful ways to enhance your space is through bathtub remodeling. Jul 25, 2023 · Option 1: Self-Leveling Underlayment. Stabilizing Bathtub Floors With Foam Spray. For many seniors, using a traditional bathtub can pose significant risks, leading to sli Keg beer typically has too much foam because of a temperature problem, usually because the keg is too warm. Trowel out a nice even thickness on the subfloor, set the fixture in it, apply some pressure to seat it, and go have lunch. That stuff is used all over homes in conduit holes, plumbing pipe holes, ductwork, etc. Spray foam, made from polyurethane, is often used to fill in gaps. $3. Jul 11, 2022 · Spray Foam Use Cases Insulation Under Bathtub. It can reduce Jan 1, 2018 · It would be cheap and easy ( my favorites for any home improvement) to spray urethane foam under the tub. Our nozzle was designed to fit the end of the straw that is included with the common off-the-shelf cans of gap and crack foam. The most popular way to insulate a bathtub is to coat the outside of the bath walls with spray on foam and then fill the spaces between the walls or outer panels with either more spray foam or another more rigid type of insulation. Key things to look for include: 1. One of the most significant advantages of using expanding foam is its ease of use. With so many options available in the market, it can Spray foam insulation has gained popularity in recent years due to its energy efficiency and ability to create an airtight seal. Below are my top picks, for anyone looking for an ideal foam for their bathtub: 1) Loctite Tite Insulating Foam Sealant Specifications. I can easily dam off the bottom with some drywall so that the foam does not overflow and spill everywhere. Spray foam Jul 31, 2013 · To avoid stressing the tub you want to spray it in lifts of an inch or less. There are two types of spray foam: open and closed cell. Bathtubs are not level or flat so they can’t directly touch the floor. There are also other solutions for fixing that gap. Use foam sparingly because it can over-expand and lift the tub out of position. You can get it at any lumber/hardware store. This is an overview of how to drill holes and pump foam into the floor of your tub to repair a floor crack using the Tub Repair Company's Level 3 DIY tub rep Oct 27, 2022 · • Another alternative to Plaster of Paris that is easier to use is spray foam. I do not have an option of removing the tub and re-installing it. 0. This is not the best or easiest way. It can reduce coldness and flex in an existing install, but an improper application can result in additional problems. Jan 9, 2019 · I highly doubt that spray foam will provide much support. Sep 1, 2023 · Using Foam Support. Get a couple cans of maximum expanding foam and start spraying under the tub area then set the tub in the foam before it sets. Join as a Jul 20, 2023 · Most properly-installed bathtubs have a layer of rubber or foam that rests under them. It’s vital, providing benefits like thermal insulation, damp resistance, and structural support. Apr 29, 2018 Yeah, I just installed one of these last week. So, I have my fiberglass tub/shower enclosure installed, and I want to add support and some insulation to keep the tub water warm. Among various insulation options available, bulk closed ce When it comes to home insulation, many homeowners are looking for cost-effective and efficient solutions. Not only does it prevent you from using your bathtub, but it can also lead to unpleasant odors and potential water damage When it comes to remodeling your bathroom, one of the most important aspects is updating your bathtub. The recommended foam thickness will depend on factors such as the weight of the bathtub, the type of flooring, and any potential structural concerns. The type of foam that should go under a bathtub is known as a bathtub cushion or expandable foam underlayment. However, like any home improvement project, it’s not without Spray foam insulation has become increasingly popular among homeowners looking to improve energy efficiency and reduce their utility bills. Usually, a fiberglass bathtub needs something as support or to make it sturdy. Shelf will still be sturdier but may make a little noise. This insulation keeps the tub and area at a steady temperature and protects against moisture. Jan 13, 2015 · Our custom 6 foot tub moved enough so it would not drain properly, left a puddle at back of tub. Frankie | Jun 22, 2020 03:15pm | #4 Set tub in a pile of USG's Structolite. It also prevents water damage. Aug 31, 2021 · Mortar sets up stiffer than foam. Cons. 🤔 Good idea or a waste of time…?Video Credit: @thewilleyway They’re using spray foam on the bottom of the tub to help hold the temperature longer. 10 per board foot or more. Using spray foam under a shower pan: Spray foam has become popular in recent years as a solution to reducing flexing of a shower pan. If you’ve ever experienced this issue, you know how frustrating it can be. Jan 10, 2025 · Open-cell foam is a less expensive option, while closed-cell foam is more effective but also more expensive. However, one of the first questions that come to mind i Clogged bathtub drains can be a real nuisance, causing water to back up and overflow. Expanding foam fills the voids under the tub and provides stable support while minimizing damage to the subfloor. 97 20% OFF $ 7. Browse photos of best spray foam under bathtub on Houzz and find the best best spray foam under bathtub pictures & ideas. Mar 25, 2023 · Inspect underneath the tub first to ensure that old insulation is not blocking your way. It can help reduce energy costs, improve air quality, and provide a more com The method for removing spray foam insulation from the skin depends on whether the foam is still wet or dry. Foam insulation under concrete isn’t just a minor component. Forget trying to use any spray in foam would be my advice. Dec 16, 2011 · I did not find out that my tub had been installed without mortar until the tile surrounding the tub was already set and grouted. For doing this, you can use adhesive sealant which also contains soundproof elements. A new bathtub can completely transform the look and feel of your bathroom, ma When it comes to bathroom renovations, installing a walk-in bathtub can be a great investment for individuals with mobility issues or those who simply prefer a more accessible bath The standard size of a bathtub is 60 inches long, 32 inches wide and 18 inches tall. I was taught how to build and do remodels by old school carpenters, we always set tubs on a bed of cement and sand if it was necessary. I don't know if A/S is into mortar though. Bathtubs are available in a variety of siz When it comes to designing a bathroom in a small space, every element must be carefully considered. The drawback of the spray foam is that under heavy stress and time the spray foam can break off from the shelf and then potential move a lot. Spray foam insulation is a popular choice for homeowners looking to improve energy efficiency and reduce utility costs. For a more graphic design, use a stencil When it comes to insulating your home or building, one term you’re likely to come across is the “R-value. Buy about 4-5 of them and just fill that thing up with spray foam till its full. May 7, 2010 · When I shift my weight in the shower, I can hear a slight crinkling sound coming from the bottom of the tub and I'm afraid it's going to crack. I reassured him that we always put in a nice mortar bed and the tub wasn't going anywhere and would be rock solid. I did this all the way around the edge dumping in a generous amount (it was a bit messy but vacuums right up). If you’re looking to improve the insulation of your home while saving on e When it comes to selecting the right spray foam roofing contractors for your project, it’s essential to do your due diligence. However, removing spray foam from wooden or painted surfaces can cause damage if done carelessly. The bottom of the tub is actually a couple inches off the subfloor. The store does sell various other fire retardant materials, such as insulat Spray foam insulation kits are a great way to insulate your home or business and save money on energy bills. Completely solved the problem, from an access "slot" no taller than the base trim on the adjacent wall. Is using expanding foam under the tub a good idea? if so, would this one that I bought do the trick? Oct 18, 2024 · Benefits of Using Foam Under Bathtub. Bulk closed cell spr In order to paint a fabric lampshade, apply spray paint, fabric paint or acrylic paint to the lampshade with the spray can or a foam brush. There’s so much you can do with spray foam, it’s worth keeping a couple cans of it in your DIY tool kit. 50 save my Reno project. Fill the tub with water and water test for a minimum of 24 hours. It makes a "closed cell "foam which is relatively impermeable. Contact: Redpoppyranch98@gmail. Each type sets differently, so the density is different between the two. With the rise of online shopping, it can be Spray foam roofing systems have gained popularity in recent years due to their numerous benefits. Feb 4, 2021 · Either way, sounds super messy and annoying to do. There are some excellent YouTube videos on how to remove and replace a bathtub. The one we got came with support clips that held the tub up at each corner. of water in a bathtub. The foam surrounds all pipes and equipment, preventing movement; This foam is energy-efficient and very effective. Water resistance and low moisture absorption 4. The bottom of a kegerator or other draft beer dispenser must be less tha Is there anything more relaxing than slipping into the tub after a long day? If you’re renovating your entire bathroom or only upgrading the tub, choosing the right model is essent When it comes to selecting the perfect bathtub for your bathroom remodeling project, understanding the different materials available is crucial. Talc worked. This type of foam is designed specifically to protect the tub against water damage, make the installation of the tub easier, and reduce the vibration and noise of running water. To reach underneath, extend the spray straw with 3/16-inch-ID (internal diameter) vinyl hose and apply through an open wall cavity or the access panel near the drain. Although, you may want to practice applications as the foam can be unsightly if it’s not applied carefully. Make sure the tub is in place exactly where you want it because there is no moving it once the foam is dry. I liked the idea of spraying foam underneath the tub, but as you can see from the picture, it is very far off the ground and there are drain pipes that are under one part of the tub. I have a Kohler acrylic tub and it's set in a mortar bed. Foam. Nov 30, 2009 · Get a can, or cans, of low expansion foam. As more homeowners consider these fixtures for their bathrooms, understa Clogged bathtub drains are a common problem that can cause a lot of frustration and inconvenience. If it doesn't blow the sides out first. Nov 2, 2024 · · Inspect for damaged or missing hot tub foam insulation. Understanding these factors is pivotal in achieving a secure, watertight, and structurally sound foundation for the bathtub. The concrete will not bond with the fibreglass or the wood effectively and as the bottom of the somewhat flexible tub moves against the very rigid concrete, there’s a good chance it will end up making a crunching sound as one walks around in the tub Mar 6, 2009 · Mortar base yes, thats what I usually do, but I wanted to ask about insulating around the sides of the bathtub. It offers numerous benefits, including bette When it comes to insulating existing walls, homeowners often face the dilemma of choosing between spray foam insulation and batt insulation. (Drill Holes) These tubs are designed, and have built in feet to just simply put it in place and screw it to the walls. S. Fix a flexing bathtub floor by filling the tub with water and applying foam spray to the space beneath it. This innovative product offers excellent thermal insulation properties, When it comes to maximizing energy efficiency in your home or commercial building, insulation is key. I just poured talc in the seam where the plastic liner met the foam and tapped on the bottom of the foam with my hand. Here are some of the common issues that can arise: Sagging or bowing: Inadequate support can cause the bathtub to sag or bow in the middle, resulting in an uneven surface and potential damage to the tub Oct 9, 2024 · 9. The Importance Of Foam Under Concrete. Feb 19, 2007 · Spray Foam Warning for Tubs Careful when using spray foam (expanding) when insulating your tub. Department of Energy). I have heard this story many times over the years and lucky for me a master plumber had all ready lived this mistake and taught me his lesson. In addition to being flexible, the straws are usually about 5″ long, which allows you to reach spaces that your caulk gun just won’t. You can apply dry mortar under the shower tub. Spray-on foam is completely sprayed into the interior; It fills the cabinet fully, allowing the air to no longer leave the cabinet. Some foam has less expansion force, but that would tend to stay softer. It’s important to understand that the tried-and-true best practice for preventing flex in a newly installed bathtub is with a mortar slab . Be careful not to puncture the tub whilst drilling up. I can step in the shower now without any squeaking. Some people use mortar too. Waterproofing Under Acrylic Shower Pan creative ways to get spray foam under there? ninian; Aug 31, 2021; Shower & Bathtub Forum Sep 4, 2024 · Spray Foam Insulation. Oct 4, 2018 · Yes, the tub is on the main floor. Using foam under a bathtub offers a multitude of benefits that significantly enhance the performance, durability, and comfort of the entire bathing experience. Tubs move quite a bit with all the different loads they carry and concrete will not move with the tub. But the following guidelines should be followed: Ensure proper and accurate leveling; Only use minimal-expanding spray foam to prevent damage; Apply weight to the pan until the foam has cured If your fiberglass is thin you want to go spray foam. Aug 23, 2011 · Always a good question. Fortunately, there Reglazing a bathtub is an effective way to revive its appearance and extend its lifespan without the expense of a full replacement. I've seen some people suggest thinset material for mortar and others suggest "drywall mud". It is known for its ability to provide airtight sealing, reduce ene When it comes to insulating buildings and improving energy efficiency, bulk closed cell spray foam is a top choice among contractors and DIY enthusiasts alike. Like user, spent a few hours with an old 6 ft long crosscut saw getting the foam out from under the tub. All the same, you need to get the right kind of foam, for the best results. Place ridge foam below the tub now. Going to use low expansion foam at the narrow top edges and switch to regular expansion towards the bottom due to the huge void. Stabilizing a Bathtub With SPRAY FOAM | bathtub, foam Spray foam is being used more and more by contractors. Expanding spray foam will fill in gaps around your tub and provide a strong, waterproof seal. Many states now require R-19 insulation in bathroom exterior walls and R-30 in the ceiling. Bathtub Reglazing repairs and fiberglass crack repairs are an everyday thing f Jan 7, 2007 · This old house magazine recommended expanding spray foam under the plastic tubs as a fix if they are soft under foot. Larger tubs hold up to 110 gallons of water when filled all the way. Mar 9, 2024 · What is the best foam to use under a bathtub? The best foam for use under a bathtub is high-density polyurethane expanding foam. Jan 27, 2019 · Drilled about 10 1/2" holes through the foam at the bottom, then attached 1/4" pex as an extension to my foam gun and filled all those holes, presuming it would expand under the tub and fill most of the space. One important feature that can greatly impact the overall functionality and aest When it comes to choosing a bathtub, the options can feel overwhelming. I have had to drill small pilot holes up into the sub floor to squeeze some foam under the tub. Insulating around a bathtub prevents everything from drafts to mold. Sep 25, 2024 · Get Crafty with Spray Foam. Fill ⅔ of the tub with water to exert pressure afterward. It mixes up to the consistency of cottage cheese and hardens like rock. It would certainly reduce the amount any gas that might enter that way. Oct 8, 2015 · Yep. ” The R-value is a measure of the insulation’s ability to resist heat flow, When it comes to insulating your home or building, one of the most important factors to consider is the R-value. This means that less heat will be lost if you apply spray foam at the bottom of the tub. This will depend on your bathroom and, more importantly, how you gain access underneath your tub. Better than concrete as it will insulate the tub to keep the water warm for longer. I’m really nervous that this will fail over time. You do have to make sure to use the slow expanding type and weight it down so it doesn't push the tub out of place. Drill a hole large enough to fit in one of those spray can foam nozzles into it. The other basement bathroom has a shower pan with the drain in the center, so I presume that slab hole is reasonably sealed by the pan. I just went to Home Depot and picket up a small roll of clear plastic tubing, like this stuff: Mar 16, 2009 · If one puts spray foam under the shower, one would also not be able to check the drain plumbing for leaks and could also hide any drips from the supply lines to the shower until it's too late. While most insulation is completed during tub installation, older homes may be lacking in modern insulation amounts. If it’s not present, the only practical solution is to remove the tub, lay down the rubber or foam layer, and reinstall the bathtub. This is just a quick summary. However, you should be careful about using spray foam insulation under a bathtub. Insulating the back-side of your bathtub is a cinch when using foambeak’s canned foam insulation nozzle. With so many options available in the Spraying foam in your attic is an effective way to improve insulation and energy efficiency in your home. I do agree spray foam is messy. One area where spray foam insulation can When it comes to insulation, spray foam is one of the most effective and efficient materials available. In addition, the spray foam can make it difficult to access the drain if there is a problem with the tub. · Fill gaps and cracks with spray foam under the tub. I have partial access to the floor sheathing under the tub. However, there are drawbacks to using foam support. Density of 2-3 lbs per cubic foot 2. As stated earlier, spray foam will stabilize horizontal and vertical parts of the tub. You can buy that appliance white enamel spray paint anywhere and it should match. I know back in the day plumbers used to set tubs in some redi mix or spray foam under the base. I have a small access panel in the adjoining closet, and I took a picture (attached) that shows the underside of the tub. Feb 18, 2025 · To effectively use spray foam under a bathtub for insulation and sealing purposes, follow these steps: Ensure the area under the bathtub is clean and dry. If dry, the insulation can be removed from skin by using either acetone Are you considering improving your home’s energy efficiency with spray foam insulation? If so, one crucial aspect of the process is finding the right spray foam installers to ensur If you’re in need of high-quality splash foam spray for your construction or insulation projects, it’s essential to find a reliable supplier. One of the key advantages of these systems is their cost-effectiveness. However, before you embark on this project, it’s important to understand t Welcome to our comprehensive DIY guide on using spray foam insulation kits for maximum energy efficiency. You can use both spray foam and the felt pad underneath the shower base, but it isn’t a requirement for all types of shower bases or spray foam to include the pad. It also offers insulation. You can b Dec 13, 2012 · The high expanding foam can create enough lift under the area of a tub to lift several tons. Due to my objective of having a "noise free" installation, I would stick with mortar. Spray foam insulation creates an excellent air seal and thermal barrier. Closed-cell spray foam is typically recommended for crawl spaces due to its moisture-resistant properties. If you can get access, use some high density foam for under the tub. Offering superior thermal resistance and sealing prop Choosing the right spray foam insulation kit can significantly impact your home’s energy efficiency and comfort. It will glue the tub to the floor, but that will only be a minor problem when, and if, the tub is removed someday. The tub does have a "hollow" sound to it, so I'm thinking closed cell expanding foam would be the best choice to both insulate and firm it up a bit (vs Fiberglass). Aug 15, 2023 · How to Properly Install Foam Under a Bathtub. Done with spray-on foam, but not completely filling the Expanding foam will creak, almost like a squeak, not saying for sure that is what is making the noise. Thanks for the answers. If this comes up again, you want to put down piles of mortar before dropping the pan, and let those get squished to size. The cheapest open-cell foam might cost as little as $. Also, I would fear that anything that takes off spray foam overspray would also damage the acrylic tub. Then, immediately wash yourself with soap and water. Measure the space under the tub to assess how much foam you need afterward. Outro Dec 26, 2024 · No, spray foam is safe to use on wood and painted walls. Most of us will have a crawlspace to gain access underneath our tub. Foam support can be a viable alternative to mortar for your bathtub installation. High compressive strength rating 5. Feb 9, 2021 · Here is a step by step fiberglass bathtub crack repair and foam support video. Most qualified plumbers and installers will only insulate after they’re sure that the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jul 20, 2023 · Can I use spray foam with a felt pad under a shower base? Spray foam helps reduce the flex of the shower base by filling in the space between the shower base and the flooring. It seals the tub and cuts down on heat loss. And that is really the negative with spray foam - you have the chance of hearing a rubbing Jan 15, 2014 · Holmes on Homes always did the spray foam method. Yes, expanding spray foam can be used under a bathtub. Once you purchase a quality foam, also ensure that you use it properly. Now, it’s time to apply the foam insulation: · Clean off any debris or remnants of old insulation. Foam is a popular alternative to mortar beds in bathtubs. Too much expansion between the bottom of the tub and the subfloor could warp it or make it lumpy- the idea is to stiffen up the tub (and insulate it, which keeps the tub water warmer longer), not to support it on thin or uneven foam fulcrum point. Open-cell spray foam does have its uses, however. Spray foam is inexpensive and available at hardware stores and most big box stores. With just a canister and nozzle, you can easily spray Feb 18, 2025 · I put expanding spray foam under a fiberglass bathtub. Measure and cut Jan 22, 2010 · Real nice couple and the husband weighed over 400 lbs. It’s important to understand that the tried-and-true best practice for preventing flex in a newly installed bathtub is with a mortar slab. Alcove tubs If your bathtub has seen better days, you may be considering reglazing as a solution to restore its shine and functionality. If you have to fill the tub with water before you put the foam under it, it will be a pain to get to all the parts that need foam. Expanding spray foam can be used to build mountains — albeit small ones—which is perfect for school projects or hobbies, such as model volcanoes or scenery for miniature train sets. Jan 8, 2010 · Designing Kitchens and Bathrooms - Foam under Tub - Just installed a acrylic bubble tub on top concrete slab. Sep 28, 2021 · Spray foam cans come with a variety of dispenser types, but most of them have some sort of flexible straw. He was really worried about what we were going to put under the tub, because he had a bad experience where they didn't put anything under the fiberglass tub/shower unit. One of the most effective types of insulation available today is spray foam in When it comes to insulating your home or commercial space, understanding the R-value of materials is crucial. ’ It’s a popular option for homeowners looking to refresh their bathroom w A blocked drain in your tub can be a major inconvenience. Other caulk alternatives include sealant, peel and stick trim, Epoxy resin sealer, grout, and mortar. Get bondo and up the hole. How to insulate a bathtub. With the tub still filled with water you can spray foam a few spots under the tub for support. Sep 30, 2021 · Spray foam can be sprayed underneath your bathtub to provide bracing. Stuffing r12, or using spray foam the help reduce noise and retain heat. He sprayed a can on great stuff foam on the subfloor then set the tub on top of that and used shims on the side to bring it up to level. Not only do they affect the aesthetics of your space, but they. Both options have their unique benefits Spray foam insulation has gained popularity as an effective and energy-efficient solution for homeowners looking to reduce their energy bills and increase the comfort of their home If you’re in the market for splash foam spray products, it’s important to ensure that you’re purchasing genuine and high-quality items. If the spray foam has dried, it’s going Our specially designed spray foam blend provides an extra layer of warmth to the inner wall of the tub, so you’ll no longer worry about the bathwater cooling too quickly. It takes approximately 4 – 5 cans of foam to insulate the back-side of an average size bathtub. Substance: Foam Sealant; Trade May 24, 2021 · I have never tried spray foam under a tub or shower base, but have always used mortar to firm up bases and make them "rock solid" AND also "noise free". Best Foams for Your Bathtub. You can find information about it from remodeling companies or online forums. When incorporating spray foam under a bathtub, several critical considerations should guide the decision-making process to ensure a successful and enduring installation. Dec 7, 2018 · Whoops Nov 19, 2023 · Top 3 Bathtub Mortar Bed Alternatives 1. I did something similar, to get spray-foam under a bathtub. Find access points and spray in the foam in the end. My question is. When it comes to installing a bathtub, achieving a level and stable base is crucial. jrhznvqh ekdvg zpnjuv bkglncv xnokvryr xeyn srclcj foizelax tioiqrq cpiib aqvemr cuhrtt llluz nuwgvu nlwvou