Tile Thinset Coverage

The thinset that was applied to glue down the tiles has been applied over a dirty surface and instead of adhering to the substrate it adhered to the dust and oils sitting on top of it.

Tile thinset coverage.

Because thinset is not affected by moisture it is best for floor tile and any tile in wet areas including shower floors walls and ceilings and tub surrounds. Tile thicker than 3 8 inch. Coverage based on 50lbs bag mesh mosaics. For shower areas the recommendation is for at least 95 coverage.

16 inch or larger. 12 inch 16 inch tile. 4 inch 12 inch tile. Round the number up to the next whole number.

Custom building products versabond 50 lbs. 4 inch 12 inch tile. 40 50 sq ft. Running them all the same direction gives the air a way out when a tile is set upon them.

General recommendations for thinset coverage for tile are 80 for most interior work and 95 to 100 for exterior work. Tom meehan co author of working with tile taunton press 2011 and a second generation tile installer from harwich mass responds. When troweling in circles or swirls air gets trapped in the ridges. Divide the square footage of your project by 95 the maximum coverage of a 50 pound bag of thinset.

You may not think this is that big of a deal. Coverage shall be sufficiently distributed to give support of the tile especially at corners and edges. Thinset dries very quickly once it s troweled out. 1 2 inch square or v notch.

90 100 sq ft. 12 inch 16 inch tile. According to the ansi and the tcna handbook tile requires a minimum of 80 mortar coverage in interior applications and 95 for exteriors and wet environments. Actual jobsite coverage may vary according to tile size and thickness exact joint width job conditions and grouting methods.

Tile thicker than 3 8 inch. Once traffic starts walking over it those stresses start moving the tiles and eventually they pop off the floor and get loose. Fortified thin set mortar is a professional formula all purpose mortar polymer modified to provide good bond strength for floor and tile projects. 60 70 sq ft.

Natural stone tile requires 95 coverage in all areas. For example a 10 by 12 foot room is 120 square feet. A 120 square foot room with 16 inch tiles will take a minimum of three bags of thinset. 75 85 sq ft.

Versabond cures quickly even in cold climates and adheres to most surfaces. Divided by 95 the result is 1 26. 16 inch or larger. Mapei recommends adding 5 to 10 in overage to ensure that your entire project is covered.

Any tile installation can fail from a lack of using a tile adhesive primer. Less air trapped in the thinset will mean improved thinset coverage. Since thinset tile mortar may crack you may wish to mix it with a special latex additive to increase its strength.