It s true that good oil based polyurethane sealers and careful attention to sealing cracks between flooring boards can make hardwood flooring perform adequately in a bathroom but virtually no flooring manufacturer will ever describe a hardwood flooring product as waterproof.
Bathroom under floor boards.
This thinner material allows you to maintain a fairly consistent floor height from room to room.
What kind underlay an thickness.
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The bathroom floor gets wet.
Can a vinyl floor be layed on top of floorboards in a bathroom or does it require an underlay.
Blocked air vent damp in cavity wall.
This creates a more structurally consistent board that stands up better to moisture.
That usually means the underlayment and the subfloor also get wet.
Even just rinsing your face in the sink can send droplets of water spilling out across the floor and a bathroom with a shower or tub is almost certain to see water on the floor occasionally especially a bathroom used by children.
The floor must also handle the weight of the tub shower tiles and other fixtures.
Tile floors are especially heavy with layers of cement board mortar tile or stone and grout.
Your main goal with bathroom flooring is choosing a type that won t be ruined by moisture in two years.
Whichever backing board you decide to go for you ll need to measure it and cut it to size to ensure it fits the floor area you re planning to cover.
Oriented strand board osb is similar to plywood but the structural differences are what set them apart.