Backer Board Over Hardwood Floor

I was wondering in the installer used hardibacker board over the entire floors and screwed them down would that be sufficient enough to use thinset and then use the.

Backer board over hardwood floor.

Tongue and groove plywood or osb oriented strand board. Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile. We just finished replacing a floor in which they put of all things ditra over hardwood and within 5 years the tiles were cracking and grout lines opening up. Installing over wood.

First changes in humidity make solid wood shrink swell and cup more than plywood. Vinyl flooring glued over 1 4 in. We also go over questions regarding particle board and installing new hardwood flooring over old wood flooring. Hi i want to use large porcelain tiles over my hardwood floors in my kitchen dining room and living room because we have lost of traffic and a dog.

We tore out all the hardwood and put in 3 4 t g plywood glued mudded 1 4 fiberock and then tile. I was told that i should just lay 1 4 inch backer board no membrane its being installed in a entry way not alot of moisture but high traffic onto the hardwood floor because it will expand ext at different rates and amts. According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons. Just screw the floor down with 1 5 8 in.

Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Backer board over hardwood may last a bit longer but i wouldn t do it. Second the strength of wood boards isn t always consistent. To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.

Re secure any loose wood subfloor planks osb or plywood subfloors to the floor joists using 2 1 2 deck screws. Prior to installing any finished flooring it is important to remember. My house was built in 1959. This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile.

Drywall screws spaced every 6 in. Floor tiles should be installed over smooth flat surfaces. No extra layers of underlayment are required. Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.