Installing Cement Backer Board Over Vinyl

Use a notched trowel to apply thin set adhesive to the vinyl flooring.

Installing cement backer board over vinyl.

Apply adhesive to floor. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Cement boards that some in sheets. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.

Mix up thin set adhesive in a bucket using a mixing paddle chucked in a drill. To smooth the floor i covered screw. Cut cement backer board. Vinyl flooring glued over 1 4 in.

The various brands of cement board such as hardiebacker durock denshield and wonderboard have become a standard tile backer material for nearly all ceramic porcelain and stone tiles for floor wall and countertop applications. Cement board over sheet vinyl i can see the ill effects that can happen when tiles are set directly over non cushioned sheet vinyl and especially cushioned sheet vinyl. Thick cement board instead of the usual 1 2 in. I do not see the ill effects with installing cbu over sheet vinyl except is is going to take days for the thinset under the cbu to dehydrate.

The other is foam backer board which is ok to install over concrete. As long as the subfloor is 3 4 in. This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile. Most vinyl tile floors are thin enough to support the extra thickness of both the backer board and the tile.

This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it. Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor. Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. All the insider information on how to build and waterproof a.

If thickness is an issue however 1 4 inch thick backer board can be safely installed. Drywall screws spaced every 6 in. Here is my concern. Cut pieces of cement backer board with a circular saw to fit the floor wear dust and eye protection.

Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. I have since decided to install vinyl sheet flooring.