Mortar Bed Thickness For Wall Tile

Many thinsets max out at 1 4 in a single layer.

Mortar bed thickness for wall tile.

Mar 20 2019 the 2011 tile industry standards define the minimum bond layer thickness to be 3 32 after beat in but the maximum thickness has more to do with the manufacturer of the thinset mortar you are using. Suitable sub floors for thick set tile installations include concrete slabs and properly installed wood. When laying on a similar base medium format tiles it is recommended to apply a layer of 3 4 mm. A 3 8 x 3 8 trowel will leave a 3 16 bed of thinset beneath the tile.

In the case of facing drywall the thickness of the mortar for good adhesion should not exceed 5 mm. Thinset represents a modern alternative to the traditional mortar bed. Then it is leveled with a comb with denticles of 6 mm. If you are installing tile the mortar bed should be 2 3 inches thick on the outer edge and slightly less at the drain.

This type of cement is designed to adhere well in a thin layer typically not greater than 3 16th thick. That doesn t give much leeway for leveling. The terms thinset cement thinset mortar dryset mortar and drybond mortar are synonymous. The mortar can be applied to a concrete plastered base or screed with a thicker layer.

As a general rule the finish thickness of thinset mortar with ceramic tile installations is around one eighth inch once the mud has been compressed under a tile. Thinset mortar is not usually recommended for large heavy or uneven tiles. A thick set or mud set tile installation consists of finish tiles set over a 1 1 4 to 2 thick portland cement mortar bed. So a 3 8 u notched trowel leaves a 1 8 bed of thinset beneath the installed tile.

For example a 3 8 notch trowel will produce a 3 16th inch thick coating after the tiles are pressed in to the cement. Using a u notched trowel and embedding the tile into the thinset leaves you with a bed of thinset beneath the tile a little over 1 3 the size of the trowel teeth. It consists of cement water and very fine sand resulting in a thinner mortar generally applied no more than 3 16 inch thick. A good way to tell if you have the right dry pack consistency is to make a ball with the mixed mortar similar to a snowball.

The tile installation method includes how the surface is prepared the materials to be used and the type of tile to use. When mixing the mortar use only enough water to obtain a dry pack consistency.