Do You Put Vapor Barrier Under Tile Flooring

If you ve chosen to go the vinyl path you re probably wondering about the best underlayment for vinyl plank flooring.

Do you put vapor barrier under tile flooring.

Avoid harsh detergents as they will yellow your tile and follow manufacturer s directions on cleaning. Installing new flooring is a costly enterprise so you want to get it right the first time around. Ditra functions as a floating substrate. Thanks all for the replies.

Vapor barrier 3 in 1 underlayment is perfect for installation under laminate flooring to allow your floor to float and give a moisture barrier. When you put in new hardwood or laminate flooring it is important to first install a moisture barrier which will protect the new floor from water damage caused by condensation or leaks on the. Always read the flooring manufacturers recommendations and instructions before installing the underlayment. You could do a vinyl underlayment that includes a vapor barrier or simply use a vapor block film.

It also self adhesive which will make installation even quicker. If not level use thin set to level out. This has to be done annually. Hi cecily thanks for the question.

After working the flooring mfr and your great feedback i have heavily recommended to our client to have the water issue mitigated and that installing a vapor barrier under the flooring material is in consequential and may exasperate the build up of moisture under the sub floor. Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure. The ditra will allow the slab to expand while the tile surface remains static. If your slab should happen to contract or expand as the house settles by as little as 1 32 you may have broken grout lines or cracked tiles.

No vapor barrier required but clean the cement floor and seal it. A vapor barrier can be applied or installed over the tile substrate using a liquid or sheet membrane. Don t forget to seal your grout and tiles if directed by the manufacturer. There are many products available in home centers and hardware stores in liquid form that can be used to cover and protect the concrete slab from the top.

If you have no cracks anywhere on the slab you are probably okay. Since you re on a pier and beam subfloor it would be in your best interest to have a vapor barrier due to moisture being a potential risk under the subfloor. Vapor 3 in 1 moisture underlayment. How to install vapor barrier on concrete floor under laminate flooring.