Can you use 3/4 OSB subfloor?
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. The standard subfloor for joists spaced up to 16 inches apart is 23/32-inch T & G sheets.
What can I use for bathroom subfloor?
Plywood is the most common material used for subflooring in bathrooms. A versatile, man-made material, plywood is used in floors, walls and furniture.
What is the best subfloor for a bathroom?
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.
Can you use OSB for subfloor in a bathroom?
Oriented strand board (OSB) is similar to plywood but the structural differences are what set them apart. However, OSB is known for swelling around the edges when exposed to water. For tile flooring, this can cause bending and cracking, which is why it is discouraged as a subfloor material for tiling.
Why did I put OSB in my bathroom?
I believe the original contractor who built the house did a sloppy job in there, 1st by installing OSB in the bathroom instead of using plywood and 2nd not putting any backer-board before installing the tiles and 3rd by the way the spread the thin-set under the tiles (the “curvy/old” way). At minimum I would replace the OSB that got wet.
Is it okay to use OSB as a sub floor?
Before we begin, English is not my first language so my terms could be a bit wrong. Considering I’m planning to install 1/4″ concrete backer-board over the sub-floor before tiling it again, is OSB okay as a sub-floor or does it have to be plywood? I’m in the process of remodeling our upstairs bathroom in a condo unit.
Which is better for a leaking toilet plywood or OSB?
OSB has a higher tendency to resist moisture, but this also means it holds onto more moisture leading to rot. Plywood underneath a neglected leaking toilet will rot as well. The issue is not OSB vs Plywood; the issue is improperly installing the toilet and not addressing the leak.
Is it OK to replace OSB with plywood?
Theoretically that should never be an issue but life happens and sometimes OSB gets wet. Personally I would replace it with plywood. OSB was an idea introduced in the late 1970s and caught fire in the 1980s. After a few decades of use, compared to plywood, OSB just does not hold up as well.
Before we begin, English is not my first language so my terms could be a bit wrong. Considering I’m planning to install 1/4″ concrete backer-board over the sub-floor before tiling it again, is OSB okay as a sub-floor or does it have to be plywood? I’m in the process of remodeling our upstairs bathroom in a condo unit.
I believe the original contractor who built the house did a sloppy job in there, 1st by installing OSB in the bathroom instead of using plywood and 2nd not putting any backer-board before installing the tiles and 3rd by the way the spread the thin-set under the tiles (the “curvy/old” way). At minimum I would replace the OSB that got wet.
OSB has a higher tendency to resist moisture, but this also means it holds onto more moisture leading to rot. Plywood underneath a neglected leaking toilet will rot as well. The issue is not OSB vs Plywood; the issue is improperly installing the toilet and not addressing the leak.
Theoretically that should never be an issue but life happens and sometimes OSB gets wet. Personally I would replace it with plywood. OSB was an idea introduced in the late 1970s and caught fire in the 1980s. After a few decades of use, compared to plywood, OSB just does not hold up as well.
