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-   -   1/4" usb board underlayment in bathrooms (http://www.diychatroom.com/f5/1-4-usb-board-underlayment-bathrooms-5101/)

thehulk1978 11-29-2006 06:59 PM

1/4" usb board underlayment in bathrooms
 
Is it a goord idea to waterproof the usb board before i vinyl it....i bathroom i have done i noticed mold when i had to replace a peel in stick area....i think it would be a good idea

Bullmoose 12-02-2006 01:24 PM

Hulk,
First of all, get rid of absolutely all mold and fix those leaks that caused the mold.
Next, OSB is not a good underlayment for damp locations. It swells and wicks moisture. I suggest you tear it out and use a good plywood specifically suited for use as underlay. Regular plywood has voids within the layers that can crush under the weight of a heel. Any good lumberyard should be able to provide the right material.
Lastly, make sure the underlay is secure and smooth. Vinyl doesn't hide flaws, it magnifys them.

Floorwizard 12-04-2006 10:26 PM

agreed.

R&D Tile 12-05-2006 05:16 PM

Vinyl in a bathroom is a very bad idea, TILE it.:thumbup:


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