Do You Put Vapor Barrier Under Tile Flooring

Actually you may not even need underlayment depending on the product and where you plan to install it.

Do you put vapor barrier under tile flooring.

Always read the flooring manufacturers recommendations and instructions before installing the underlayment. A vapor barrier can be applied or installed over the tile substrate using a liquid or sheet membrane. 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. You could do a vinyl underlayment that includes a vapor barrier or simply use a vapor block film.

Thanks all for the replies. No vapor barrier required but clean the cement floor and seal it. 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. If you have no cracks anywhere on the slab you are probably okay.

Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure. 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. If you have an older home that may not have moisture barrier protection under the concrete slab you can still add a barrier to protect your vinyl floor from bubbling. Installing new flooring is a costly enterprise so you want to get it right the first time around.

Don t forget to seal your grout and tiles if directed by the manufacturer. Vapor 3 in 1 moisture underlayment. If you ve chosen to go the vinyl path you re probably wondering about the best underlayment for vinyl plank flooring. It also self adhesive which will make installation even quicker.

This has to be done annually. The ditra will allow the slab to expand while the tile surface remains static. 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. Hi cecily thanks for the question.

If not level use thin set to level out. Avoid harsh detergents as they will yellow your tile and follow manufacturer s directions on cleaning. There is a clear advantage of using a liquid membrane it is relatively easy to apply over the tile substrate along with the use of a fiber mesh tape you can secure joints and changes of plane. 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.