Tile Thinset Coverage

Thinset dries very quickly once it s troweled out.

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. 12 inch 16 inch tile. 4 inch 12 inch tile. Actual jobsite coverage may vary according to tile size and thickness exact joint width job conditions and grouting methods.

Coverage shall be sufficiently distributed to give support of the tile especially at corners and edges. 4 inch 12 inch tile. Versabond cures quickly even in cold climates and adheres to most surfaces. 16 inch or larger.

Proper mortgage coverage is critical to preventing failures. 40 50 sq ft. Natural stone tile requires 95 coverage in all areas. You may not think this is that big of a deal.

90 100 sq ft. When troweling in circles or swirls air gets trapped in the ridges. Per ansi a108 19 for gauged porcelain tiles or gauged porcelain tile panels slabs installed on floors in any single square foot under the embedded tile thin set coverage will be a minimum of 85. 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.

For shower areas the recommendation is for at least 95 coverage. Custom building products versabond 50 lbs. Divide the square footage of your project by 95 the maximum coverage of a 50 pound bag of thinset. 60 70 sq ft.

Tile thicker than 3 8 inch. Divided by 95 the result is 1 26. Coverage based on 50lbs bag mesh mosaics. 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. 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. Less air trapped in the thinset will mean improved thinset coverage. Tom meehan co author of working with tile taunton press 2011 and a second generation tile installer from harwich mass responds.

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. 16 inch or larger. Tile thicker than 3 8 inch.

Round the number up to the next whole number. Mapei recommends adding 5 to 10 in overage to ensure that your entire project is covered. 1 2 inch square or v notch. 75 85 sq ft.

Any tile installation can fail from a lack of using a tile adhesive primer. 12 inch 16 inch tile. Once traffic starts walking over it those stresses start moving the tiles and eventually they pop off the floor and get loose.