The floor must also handle the weight of the tub shower tiles and other fixtures.
Marine ply for bathroom floor.
Marine grade plywood is a waterproof product intended for exterior uses that will typically do more than come into contact with water but will in all likelihood be completely submerged.
There are many projects that may require plywood that s water resistant.
You don t even need to use marine grade for high moisture areas.
That usually means the underlayment and the subfloor also get wet.
The marine ply should be usable if it hasnt got water damage and warped.
Ply thickness has nothing to do with it being a wet room but in wet room s ply floors must be tanked anyway or it won t that long.
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.
Kitchen hall heavy use 25mm.
I m a tiler no vinyl flooring expert but i would have thought that 6mm would be adequate for vinyl flooring tiles which after all is.
It takes paint well and could make a beautiful finish as a top floor something that regular plywood could not do.
This should bring the cost of the job down.
The bathroom floor gets wet.
You don t need marine ply with expensive decorative veneers.
Bath shower room light use 18 22mm but sometimes 25mm is necessary.
Douglas fir ab marine plywood has been sanded and can either be painted or stained to match your home decor.
Roseburg s ab marine panel is a marine grade plywood that is produced entirely of group 1 species of veneer.
External ply or wbp uses similar waterproof adhesive for the timber veneers so is effectively the same.
Whether it s for marine use or exterior use marine plywood still needs to be painted in order to be fully durable and painting it properly can require some know how.
Tile floors are especially heavy with layers of cement board mortar tile or stone and grout.
Advantages of regular plywood over marine plywood.
When re tiling the ply it will need a coat of watered down pva glue to seal it.
The recommended thickness of the plywood subfloor is governed by the spacing of the joists.
The thickness of the ply you need is about floor construction loading the type of use the room gets.
Regular plywood is much less expensive than marine plywood.
Using the right type plywood ensures a long lasting floor.
You just need to specify to the supplier that the plywood be appropriate for high moisture areas and then ensure it s finished with the right product.
However few require waterproof marine grade plywood.
There s an idea that plywood can t be used around water but of course plywood can even be used to make boats.
12mm wbp would be the minimum thickness for over boarding when laying ceramic tiles.