09:23AM | 10/22/03
Member Since: 10/21/03
1 lifetime posts
First post to the message board, so go easy on me.

My wife and I are in the process of removing the carpet from the upstairs bedrooms and bathrooms. I need a little help.

First the floor is osb board. In the bathrooms we plan to do ceramic tile. Would 1/4" hardybacker support the tile ok? In the bedrooms, we are thinking of using vinyl tiles. I would assume that they would not stick to the osb floor, so what should I put down over the osb floor?

Thanks in advance!

[This message has been edited by Beechjet (edited October 22, 2003).]


03:43PM | 10/22/03
Member Since: 01/26/03
542 lifetime posts
yes on the 1/4" hardibacker,and add a 1/4" layer of acx over the osb.....good luck


04:17PM | 10/23/03
Member Since: 10/22/03
18 lifetime posts
In the bath use Hardibacker screwed to the joists Tape the joints with a fiberglass drywall mesh and flash patch them with the thinset mortar. In the BR put down 1/4"" luan plywood underlayment screwed to the joists and flash patch the joints. Ridges in the OSB should be hit with a belt sander or flash patched. OSB is suitable underlayment only for carpet.


04:59PM | 10/23/03
Member Since: 09/16/02
250 lifetime posts
Vinyl tiles in the bedroom?? It's not very nice looking for a bedroom, but I guess if you don't care. I don't care.

I was told you had to put some sort of sealer on the 1/4" luan board. I did 1'X1'vinyl squares in a laundry room and used something that was white and painted on. I think it allowed the squares to adhere better. I was told to nail the luan board down using roofing nails about every 6 inches. I think I had a few show through.

What do the experts suggest for that???

Before you put your tile down, I have seen some heating tape for under tile. You figure the square footahe to be done and buy that much tape. Install a thermostat for it and you never have to mess with it. Has anyone had any experience with this tape?? I have been to houses with in floor radiant heat and it is great for the tiles.

Good luck,



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