Plywood Floor On Concrete Subfloor

After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections.
Plywood floor on concrete subfloor. Use an underlayment floor leveler or floor patch product to fix low spots in a wood or concrete subfloor. Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets. Score the back of the panels half of the thickness on a 12 inch by 12 inch grid. Before you install your plywood subfloor first calculate the room s square footage to find out how much flooring you ll need to buy.
As with a wooden subfloor a concrete subfloor must be level for successful tile installation. 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. The subfloor is the foundation beneath finish flooring materials. This plywood floor would be the floor not a subfloor.
Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. Do this by multiplying the room s length by its width. Allow 1 4 inch gap along the walls and between the joints for expansion. Subfloor panels offer much easier installation than the traditional technique of nailing down 2x4 sleepers over the concrete and covering them with plywood.
An underlayment is a thin layer of material sandwiched between two other materials. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. To prepare your concrete subfloor make sure that it can accept water penetration. The key to a beautiful long lasting hardwood or laminate floor is a well prepared subfloor.
Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections. Arrange the plywood on the floor so the joints of this layer do not align with the subfloor joints below. It s used to help insulate absorb sound and reduce wear on your floor. Panel systems are also thinner than a sleeper floor so they add less height to the floor assembly an important benefit in height challenged basement rooms.
Test by sprinkling water on various areas of the subfloor. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. Apply an adhesive approved for plywood installation and recommended by the plywood manufacturer.