Measure the dimensions of the room to calculate how much material you ll need to purchase.
Tile over osb subfloor floor.
Plywood and osb expand and contract with humidity and temperature much more than ceramic tile.
The only thing that changes is that on osb subfloors we use pl with teh ring nailer for putting down underlay.
This is not to say that tile cannot be installed reliably over an osb subfloor.
How to put peel stick tiles down on osb step 1.
Regular seasonal humidity shifts are significant enough to make the average 10 x 10 wood subfloor floor expand or contract as much as 1 2.
Cover the entire osb subfloor with a layer of 1 4 plywood underlayment.
What is your method for tiling over osb floors.
I have had people asking about installing sheet lvt and vct directly to the osb subfloor without the use of an underlayment.
As the plywood or osb expands the ceramic won t.
Leave a slight 1 16 gap between each.
Ceramic tiling can be installed onto 23 32 osb subflooring panels where the panels are supported by 16 o c.
However there is significant debate in the tile industry regarding the conditions necessary for a long lasting successful installation.
Tiling over an old solid wood subfloor is dicey even with a layer of backer board.
The most current ansi standards for tile installation a108 1999 specifically exclude osb.
Manufacturers generally recommend that the deflection of the subfloor system be limited to no more than span 360 under total load.
Ceramic tile doesn t expand contract nearly as much.
Avoid tile and grout cracks in the finished floor with proper preparation and lots and lots of screws.
By the diy experts of the family handyman magazine reinforce old 1 x subflooring before adding backer board.