subfloor thickness for shower pan

Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. A standard material used for a subfloor is going to be a cut to size plywood, mainly due to its availability. Stand in the base or pan to determine if the subfloor is stable. 1 Answer Sorted by: 2 1/2" is a bit thin to span that distance, although it should not be a problem with a concrete slab above it. In order to pull this off I would need to add joists that line up with the dimensions of the shower. Kerdi Shower Tray ST Subfloor Requirements The KERDI-SHOWER-T is offered in five sizes with perimeter heights ranging from 1-3/32" (28 mm) to 1-1/4" (32 mm). The Fora platform includes forum software by XenForo. Waterproofing strip: Schluter-KERDI-BAND, 6. Your email address will not be published. While the 1955 code permitted site-built pans only in special cases where the installation of a premade pan was demonstrably impractical, such pans are now common and have their own provision in section P2709 of the IRc. Clean the Subfloor. If it comes apart, repeat the process. Install the Subfloor. If you are worried about it and need to use 1/2" sheathing for other reasons then just install 2x blocking perpendicular to the joist at a shorter distance on center, say 8"-12" O.C. Due to its thin perimeter height, the KERDI-SHOWER-TT is an ideal choice. Which was the first Sci-Fi story to predict obnoxious "robo calls"? 1/2" is a bit thin to span that distance, although it should not be a problem with a concrete slab above it. Connect and share knowledge within a single location that is structured and easy to search. Premanufactured kits do not weigh enough to be of concern, so you can go directly over the existing subfloor (plywood or OSB). KERDI-BAND is only 4 one-thousands of an inch (4 mil)-thick, half the thickness of KERDI thus limiting buildup, and ensuring a smooth surface for tile installation.. Waterproofing strip seals abutting joints of membranes and building panels. Before the liner is installed, a solid subbase must be installed to create a smooth and uniform slope to the drain. But these drains go a step further. Lay the waterproofing material on the floor of the shower, running it about five inches up each of the walls. In 35 years, he's gained expertise in all phases of residential construction, retrofit and remodeling. For professionals it looks easy, but only. Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. Continuing Education for Architects & Designers. Fasten it down with roofing nails or staples. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Alternative, proprietary products are also popular and can be approved locally. While pre-fabricated pans are a great convenience for do-it-yourselfers, the traditional way of building a shower pan with tile on a mortar base allows maximum creativity. Uncoupling and waterproofing membrane: Schluter-DITRA, 4. 2) The pre-slope under the pan liner channels any water that gets through the tile and grout into the weep holes in the drain assembly. The subbase must slope 1/4 in. Make sure the shower pan is aligned . Do I need to apply a waterproofer such as Redgard to the subfloor ply before I apply the thinset to set the Kerdi shower pan? Making statements based on opinion; back them up with references or personal experience. What is scrcpy OTG mode and how does it work? Learn more about Stack Overflow the company, and our products. But you did not actually answer his question. PDF Tile Redi - Shower Pan Installation Guide 3 Shower-Pan Choices for a Solid Tile Floor Installation, Video Series: Tile a Barrier-Free Bathroom. Place the level across the pan or base to determine if it is level both ways. Shower pan membrane typically comes in thicknesses from 30 mil (0. CTRL + SPACE for auto-complete. Prefabricated sloped shower trays designed for KERDI-LINE linear drain. For a seat designed for sitting, that hazard could be argued as bather beware if he chooses to stand on it. Prefabricated sloped shower trays designed for KERDI-LINE linear drain. What risks are you taking when "signing in with Google"? KERDI-DRAIN features an integrated bonding flange to which the KERDI waterproofing membrane is adhered and forms a waterproof connection at the top of the tile assembly. DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. How to Build Shower Pans (DIY) | Family Handyman By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. DITRA-HEAT-DUO features an integrated bonding fleece that provides sound control, as well as a thermal break. The shower pan preslope is a mortar base that creates the general tapered slope for the shower pan. Should I redo this wall to avoid a mold sandwich? DITRA provides uncoupling to prevent cracked tile and grout. No I would not apply water proofer to the subfloor under the shower pan (unless we are going to be waterproofing the entire floor it might be easier to just continue it under the shower pan). The flange is a 1/8" thick, 5" high FRP composite MATERIAL that is designed to rise between the stud wall and the showers backer wall. See technical detail for how. Toe-screw 24 blocks to the subfloor every 12 inches and 1/2 inch away from the line to allow for the thickness of the hardboard siding. 2x6 Joist Spacing and Subfloor Thickness for Shower Pan The KERDI-SHOWER-TT prefabricated sloped shower trays eliminate the need for a mortar bed which ultimately reduces the weight and installation time. Afterwards, a shower pan liner is installed on top of the slope bed, flattened and stretched tight across the shower pan and stapled into place roughly 6 inches up the wall studs. because of height issues upstairs I plan to use 2x6 joists. Alternatively, you can choose to install a cement backer board as your subfloor or as an addition for support and structure. Waterproof, multifunctional tile substrate and building panel. In order to add support and reinforce the subfloor structure, you can add a secondary layer that the built up shower pan will sit on top of. Not out of concern for spilled water but because it's a steam shower, so your overall bathroom is going to become a playground for mold. Actually will be basically a fully tiled wet room. DRY PACK SHOWER PAN For Beginners --- The Easy Way!!! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Joists I'll likely epoxy and sister before installing new subfloor. Form the shower pan box frame with blocking between the studs. Frame out shower stall area to shower pan dimensions. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How to Create a Shower Floor - Part 4 - The Floor Elf Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 13 years. It is normal to have a shower curb/dam. Once the moisture barrier is in place, a layer of wire mesh or chicken wire is put down and stapled to the subfloor. This may require the services of a qualified design professional (e.g., architect, engineer, etc.). Is it safe to publish research papers in cooperation with Russian academics? Based on the comments to this answer, updated answer: Since you're waterproofing the entire room, its not essential. There's nothing you can use instead of a shower pan in an enclosed shower. Learn more about the essentials of waterproofing. The KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2" (38 mm) high. A surprise to many, this means the blocking and studs may need to be shaved down by the thickness of the liner material to accommodate it. Measure the shower area to determine the size of the shower pan you need to make. The hyperbolic space is a conformally compact Einstein manifold, Counting and finding real solutions of an equation. The entire shower will be done with Kerdi. 9 Common Subfloor Mistakesand How to Avoid Them, Mortared Shower Pan Install on Wood Subfloor, How to Prepare a Floor for a Walk-in Shower, A subfloor will add extra stability and structure to your shower area floor, Plywood is an easily accessible material, cut it to the shower area floor size, and install using non-moisture corrosive screws, Cement Backerboard needs to be installed with a light coat of tile adhesive to secure it to the floor and also eliminate any voids, Make sure to use as few material pieces as possible, avoid multiple pieces since this will allow the floor to flex. Note: While the image below shows a wood subfloor, this is also achievable with a concrete subfloor. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. A recessed shower floor allows for the installation of a sloped mortar bed or a prefabricated shower tray that is flush with the rest of the bathroom floor. Counting and finding real solutions of an equation. Prepare the Subfloor. Though you can make your own shower pan, our experts say this project is best left to professionals and experienced tile setters. Waterproofing strip: Schluter-KERDI-BAND, 5. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. Do I need to mud under shower pan? - Liquid Image Johnathan C. Brewer II is a licensed general contractor specializing in kitchen, bath remodels, and general constructionwith two decades of professional experience. Uncoupling and waterproofing membrane: Schluter-DITRA, 5. KERDI-LINE is an elegant, low profile linear floor drain specifically designed for bonded waterproofing assemblies. Installing an Acrylic Shower Pan in a Mortar Bed - YouTube Contact us: 888-472-4588 Oatey's shower pan liners are offered with either CPE (CPE pan liners are recommended if your floor has a radiant heat system) or PVC sheet material at 30 mil. Curbs must be at least 2 in. Shower pan over 2nd story wood subfloor install - JLC Online DITRA-HEAT features a thickness of 1/4" (5.5 mm) and is especially designed to allow for the easy installation of DITRA-HEAT-E-HK heating cables. above the finished threshold, whether its at the floor level or on a raised curb. tar command with and without --absolute-names option, Embedded hyperlinks in a thesis or research paper. Free-space on the underside of the matting provides a route for excess moisture and vapor to prevent damage to the tile layer above. Why did US v. Assange skip the court of appeal? Like all drains, the intent is for bulk water to drain through the visible drain opening. Let this mortar bed dry for at least 24 hours. If you were going to tile the rest of the room, I'd consider adding another sheet of ply, at least 3/8" thick (the thinnest suitable to a second layer with tile) under the whole floor. The downside of these finishes is that they arent themselves waterproof. above the finished threshold. After 5 minutes, try to separate the seam. * Recessing the floor of a shower must be done in a way that preserves the structural integrity and safety of the construction. Let the primer dry. Ideally you would need to cut single, large pieces and screw them into the running boards or concrete slab. The curb is the open entry point where the user enters the shower. I beefed up all the supports. DITRA has a nominal 1/8" (3 mm)-thickness which minimizes tile assembly thickness. I am putting in a whole new floor, joist and all, and the span is the 40". Thin-pour shower pan - JLC-Online Forums Let the tile fully cure. Multifunctional building panels: Schluter-KERDI-BOARD, 2. KERDI-BAND is a waterproofing strip used to seal all KERDI-BOARD butt joints, screw penetrations, and the connection between the KERDI-BOARD panels on the walls with the KERDI membrane laminated to the shower tray. IMHO, if you will be tiling the floor I would put a water proof membrane under the entire floor and not worry about using pressure treated wood for the subfloor. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Aim for a height of about 1-1/2 inches on the border. For a better experience, please enable JavaScript in your browser before proceeding. Toe-screw 2x4s for straight curbs and cut off the excess hardboard after forming. Uncoupling membrane for DITRA-HEAT-E-HK electric floor heating cables, Uncoupling membrane with integrated sound control and thermal break. Build a high border around the perimeter of the shower, about 1/4-inch below the tile top perimeter line. Helping You to Do It Yourself! You can also use a membrane system, which come in a variety of formats and are either self-adhering or meant to be installed with thinset mortar over the top of the concrete slab. Trusted, comprehensive guidance from the pros for a great-looking tile job in any room of the house. Install the shower wall tile backer board and place the top mortar bed. Check the subfloor area from left to right and from front to back to make sure it's level. Building a custom DIY shower pan from tile in a mortar bed can help you create the perfect floor for your shower that's both beautiful and waterproof. What does "up to" mean in "is first up to launch"? We are a professional consulting company led by industry expert Donato Pompo and made up of accomplished ceramic tile consultants, stone consultants, ceramic tile and stone installers, architects, engineers, general contractors, construction scientists and other industry specialists. The best answers are voted up and rise to the top, Not the answer you're looking for? He spent more than 15 years as a third-generation tile and stone contractor before transitioning into freelance writing. Learn more about Stack Overflow the company, and our products. >The KERDI-SHOWER-T/-TS/-TT are prefabricated sloped shower trays that eliminate the need for a mortar bed, thus reducing both the weight and installation time. If it leaks, it fails. Prefabricated sloped shower tray: Schluter-KERDI-SHOWER-LTS, 3. Prepare subfloor and drain plumbing. To install the subfloor, whether it is the primary or secondary layer, you will need to accurately measure the length and width of your built up shower pan, also taking into consideration any non-square corners. The preslope is laid on tar paper. With the KERDI-SHOWER-TT thin shower tray on a wood subfloor, you can build up the rest of the bathroom floor by installing either a 5/8" or 3/4" plywood/OSB panel on top of the wood subfloor along with DITRA or another Schluter-Systems uncoupling membrane. Free-space on the underside of the matting provides a route for excess moisture and vapor to prevent damage to the tile layer above. This liner is the last line of defense between water and the subfloor. Remove the top section of the shower drain by unscrewing or unbolting it. I think The Evil Greebo does bring up a good point, because this is a steam shower I would be even more concerned about mold developing in this humid environment. Bonded waterproofing and vapor-retardant membrane, Waterproof, multifunctional tile substrate and building panel.

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