No, 5/8″ minimum always for any floor anywhere. 3/16″ plywood is for use upright, or as a shim over a subfloor that already meets spec. “minimum” – Use 3/4″ T&G and backer board. I’ve never even seen 1-1/4″ plywood.
How thick should a shower pan subfloor be?
If you plan to install tile, your base will need to be 2-3-inches thick at the edge and slightly smaller at the drain to account for slope. You’re probably wondering if there are any other differences between using a pre-made shower pan versus concrete.
How thick should plywood be for bathroom floor?
Make Sure Your Subfloor is Structurally Stable
The installation guide for 1/4 inch HardieBacker recommends having wood subfloors made of 5/8 inch exterior grade plywood or OSB (oriented strand board) that is 23/32 inches thick.
How thick should my plywood subfloor be?
The recommended thickness of the plywood subfloor is governed by the spacing of the joists. Some experts suggest that 15/32-inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less, but slightly thicker 3/4-inch plywood should be used for joists spaced further apart.
What is the best plywood for bathroom floor?
CDX plywood
Plywood as a Subfloor Material
Traditionally, exterior grade plywood has been the subfloor material of choice for many bathroom flooring projects. Plywood is made by gluing alternating layers of wood veneer. CDX plywood (¾”) in particular is used often because it has a high level of resistance to moisture and humidity.
How thick should subfloor be under bathtub?
Subfloors typically consist of 3/4 or 1-inch thick tongue and groove plywood or oriented strand board. Cut the replacement floor using the circular saw along the marks made.
How do you waterproof a bathroom subfloor plywood?
To waterproof the plywood yourself, first repair it if needed and then sand it down and clean it off. Use a waterproof sealant, stain or paint and apply two to three layers. Allow each coat to dry thoroughly before painting the next one.
What type of subfloor should I use in the bathroom?
Plywood or enhanced plywood is going to be the best option for your bathroom subfloor. Although they are more expensive than OSB, they still hold up better in high-moisture areas.
What kind of plywood do you use under tile?
Exterior grade or plywood should be used for the substrate. Under no conditions should you use veneer-bond plywood. Veneer plywood is interior-grade plywood that has a top and bottom layer of very thin hardwood bonded to it.
How do you waterproof a bathroom subfloor?
Quote from Youtube video: Once all the teacher has been installed into the subfloor. We're going to really waterproof this room by applying a Curie band of the seams.
How do you waterproof a shower floor?
Quote from the video:
Quote from Youtube video: Anyway i started the waterproofing. Process by getting the shower pan installed i used this foam shower pan system made by prova which i picked up from toolsforflooring.com.
Do you need vapor barrier on plywood subfloor?
Manufacturers Require a Vapor Barrier
Your plywood subfloor may look dry, but after you install the flooring, moisture can migrate up through the subfloor and penetrate the flooring, and the results are usually disastrous.
How do you waterproof a bathroom floor before tiling?
Quote from the video:
Quote from Youtube video: So basically what you do here is you apply thinset to the curb the wall. And the ditra. And you put your custom corner piece in make sure that you put thinset underneath the flap.
Do you need to waterproof under shower base?
Waterproof Standards for Bathrooms
The Building Code of Australia and Australian Standards (AS 3740-1994) set out the minimum requirements of waterproofing a bathroom. All bathrooms in Australia must comply with these standards, as follows: The entire shower floor must be waterproofed.
How do you waterproof plywood flooring?
Plywood can be waterproofed with paint, polyurethane, or epoxy finish. Lightly sand the plywood with 180 grit sandpaper, clean off any sawdust, and apply the finish with a brush or by pouring the finish on if using epoxy. That’s a general overview, but lets look a little bit deeper into the specifics of each method.
Do you need to waterproof a shower before tiling?
In general, you should always waterproof a bathroom floor before tiling. Use a waterproof membrane to protect the substrate from water and moisture. Seal the joints of the waterproofing membrane using waterproof sealing tape. I also recommend using the sealing tape on the corners near the bath and shower.
Can you tile over Greenboard in a shower?
Never tile over green board in a shower—green board is not waterproof enough to be used for shower walls. Green board can be used as a tile backing in kitchens and bathrooms (excluding shower walls). Never tile directly onto green board that has not been painted with sealer.
How do you waterproof a walk in shower?
Quote from the video:
Quote from Youtube video: The shower pan with the liquid waterproofing membrane bead generous with it. Because the shower pan itself is gonna get saturated with water just coat around the entire drain.
