Thinset Hardibacker Floor

It is applied to the substrate with a notched trowel.

Thinset hardibacker floor. For best results remove existing floor covering especially if it is in poor condition. With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet. Thin set dries slowly allowing you to fix and readjust backerboard sheets as needed. Thinset tile mortar has a smooth slippery consistency similar to mud.

Thinset is a mortar that is made of portland cement silica sand and moisture retaining agents. Use thin set mortar when installing cement backerboard. For backer board on floors specifically cement board and fiber cement boards think hardibacker it s my understanding that it doesn t matter which thinset you use. The thinset is not meant to stick down adhere or otherwise attach your backerboard to your subfloor.

Ridge the mortar with the notched side of the trowel. Once laid into the thinset bed the floor becomes a solid fully supported substrate for your tile that s what you want. Thinset tile mortar. It is simply put in place to eliminate voids beneath your backerboard.

As far as thinset not really holding we had one job where we did not get a change order and i had to remove 150 foot of durock. I ve been bedding cbu with thinset for 15yrs and never had a problem cheap insurance we shoot it down with 1 1 4 roofing nails. Hardiebacker cement board may be installed under or over vinyl composition tile vct and other resilient flooring. The thinset doesn t need to bond to the plywood.