Building A Subfloor Over Concrete

When direct gluing a wood subfloor over concrete follow the adhesive manufacturer s recommendation for moisture requirements and limitations type of adhesive application method trowel notch type and spread rates.

Building a subfloor over concrete.

When the adhesive requires add a moisture control system before applying the adhesive. The result is a subfloor that protects finished flooring from cold and damp concrete based floors. How to install a plywood subfloor on a concrete slab floated subfloor system. When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy to care for floor.

There are several subfloor installation methods each with its own guidelines including. One of the simplest options is a sleeper based subfloor. The underlayment exists to create an air filled gap between the concrete below and the subflooring which will help to insulate the floor and keep the room warmer. Subfloors are strong versatile and very durable.

The national wood flooring association issues guidelines for installing wood subfloor over concrete. You need a dry clean and flat surface before you can install finished flooring in a room built on a concrete slab. To begin you ll need two layers of 3 8 inch minimum cd exposure 1 plywood subfloor panels. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.