How To Install Vapor Barrier Over Tile Flooring

Part of the series.

How to install vapor barrier over tile flooring.

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. Flooring installation maintenance. Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them. Ideally you want a rh of about 75 to 80.

When installing certain types of flooring such as sheet vinyl the moisture content of the concrete can be a problem. A vapor barrier can be applied or installed over the tile substrate using a liquid or sheet membrane. Concrete may seem very dense but it is actually full of small pores that will absorb water from the ground. Without the proper moisture barrier vinyl flooring acts as a moisture barrier causing it to buckle bubble and lift.

Use vapor barrier 2 in 1 when installing laminate flooring on cement subfloors or any subfloors with a risk of moisture coming up. Either way if you are going to install a moisture sensitive tile over a slab without a vapor barrier there is a risk that the floor has high moisture content either continuously or after rain events. You can perform the astm f2170 relative humidity rh test to see if it currently has excessive moisture. Vapor barrier 2 in 1 underlayment.

Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure. How to install vapor barrier on concrete floor under laminate flooring always read the flooring manufacturers recommendations and instructions before installing the underlayment. How to install a vapor barrier below laminate flooring. Install a vapor barrier below laminate flooring requires a couple of things like.

If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring. How to ceramic or stone tile over concrete slabs how to ceramic or stone tile over concrete slabs using floor leveling compounds when installing tile guide to moisture and water barriers for kitchen or bath tile moisture barriers for kitchen or bath tile tile membranes for wet areas bathrooms showers expansion joint requirements in tile surfaces using isolation membranes to avoid cracks in. Install a plastic vapor barrier. This 2 in 1 underlayment will allow your laminate flooring to float while correcting any minor subfloor imperfections and will protect your floors from moisture.