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Raising the Floor

lynchfh's picture

Hope I got the correct area.  I've solid (3/4 in) oar floor over 2 layers of 3/8 in subfloor, floated over a concrete slab, total height of 1-1/2 in.  I plan on laying 712 sq-ft of stone tile at 7/16 in.  I did two small rooms with a mud deck, that and the thin set, I was able to get the 1-1/2 in to match up with the wood.  But mud decks arrre tough!  Small romms, 30 to 40 sq-ft was tough enough, now I've got 380 sq-ft areas to lay.  So I came here hoping for any ideas to overlay the slab level to make up the 1-1/16 in.  I thought of backerboard, but read where it's not recommended as a floor underlayment.  Any help would be much appreciated - I ain't looking forward to pounding in that much mud!

How about Gypcrete? Fast, not (post #207126, reply #1 of 3)

How about Gypcrete? Fast, not too expensive and will level the floor to boot.

Florida Licensed Building Contractor, 50 years experience in commercial remodeling, new homes, home remodeling and repairs and all types building maintenance.

By the way, what would be the (post #207126, reply #2 of 3)

By the way, what would be the costs for using this? I think PVA would also be of good help.

By the way Jim (post #207126, reply #3 of 3)

What's PVA?

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Remodeling Contractor just outside the Glass City.