Thickness Of Floor Tile And Mortar

Large format tiles such as 18 by 18 inch and 24 by 24 inch can run up to 1 2 inch thick.

Thickness of floor tile and mortar. When it is combed on with the notched trowel it varies depending on the depth of the notch on the towel but as the tile is pressed down into the mortar to bond it to the adhesive it squishes the mortar in place and smears it around the back of the 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. The tile is adhered to the mortar bed either while the mortar bed is green just beginning to dry or after the mortar bed has cured. Many thinsets max out at 1 4 in a single layer.

Medium 6 by 6 inch and 12 by 12 inch tiles are typically 3 8 inch thick. When laying on a similar base medium format tiles it is recommended to apply a layer of 3 4 mm. Since the product is installed with medium bed mortar adjustments can be made to accommodate for different floor tile thickness to ensure the floor is level. In the case of facing drywall the thickness of the mortar for good adhesion should not exceed 5 mm.

For thicker tiles larger notches are recommended. For most tile installations a square notched trowel with 1 4 inch notches produces grooves of the right thickness. The terms thinset cement thinset mortar dryset mortar and drybond mortar are synonymous. Then it is leveled with a comb with denticles of 6 mm.

If the mortar starts to harden while you work either on the surface or in the bucket discard it and mix a new batch. Proper thinset mortar coverage means a minimum of 85 total coverage beneath a tile for a dry area installation most floors fireplace etc and 95 minimum total coverage in a wet area showers tub surrounds etc. What is a thick bed installation mortar bed installation or thick set installation. This type of cement is designed to adhere well in a thin layer typically not greater than 3 16th thick.

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. Uncoupling membranes aren t recommended for tiles smaller than 2 inches square and should not be used when covering old hardwood flooring due to adhesion problems. A 3 4 inch plywood subfloor on a joist structure with 24 inch spacing needs the extra thickness of cementboard or the floor will flex and the tiles will crack. Tile set by the thinset method is adhered to the substrate with a thin layer of thinset cement.

1 mix the thinset mortar.