Do You Put Vapor Barrier Under Tile Flooring

Hi cecily thanks for the question.

Do you put vapor barrier under tile flooring.

No vapor barrier required but clean the cement floor and seal it. Actually you may not even need underlayment depending on the product and where you plan to install it. Vapor barrier 3 in 1 underlayment is perfect for installation under laminate flooring to allow your floor to float and give a moisture barrier. Avoid harsh detergents as they will yellow your tile and follow manufacturer s directions on cleaning.

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. 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. Installing new flooring is a costly enterprise so you want to get it right the first time around. Thanks all for the replies.

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. A vapor barrier can be applied or installed over the tile substrate using a liquid or sheet membrane. It also self adhesive which will make installation even quicker. If you ve chosen to go the vinyl path you re probably wondering about the best underlayment for vinyl plank flooring.

If you have no cracks anywhere on the slab you are probably okay. The ditra will allow the slab to expand while the tile surface remains static. 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. Vapor 3 in 1 moisture underlayment.

Don t forget to seal your grout and tiles if directed by the manufacturer. Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure. Ditra functions as a floating substrate. 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.

If not level use thin set to level out. Always read the flooring manufacturers recommendations and instructions before installing the underlayment. 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. How to install vapor barrier on concrete floor under laminate flooring.