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. One of the simplest options is a sleeper based subfloor. There are several subfloor installation methods each with its own guidelines including. Use a minimum 3 4 inch cd exposure 1 plywood sheathing 4 foot by 8 foot sheets.

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. How to install a plywood subfloor on a concrete slab floated subfloor system. Subfloors are strong versatile and very durable. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.

To begin you ll need two layers of 3 8 inch minimum cd exposure 1 plywood subfloor panels. 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. Follow these installation guidelines when installing a wood subfloor. Additionally the underlayment is always a waterproof material that will create a waterproof barrier.