Engineered Wood Flooring Concrete Subfloor

When installing engineered hardwood floors over radiant heated subfloors turn the heat off for 24 hours before during and after installation.

Engineered wood flooring concrete subfloor.

Check for cracks and crumbling. Alternatively screw rows of treated 1x4s to the concrete 16 in. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. A floating floor isn t fixed to the subfloor instead it relies on the weight of the floor itself to keep it in place.

Treated plywood to the concrete with concrete screws spaced every 16 in. Use a minimum 3 4 23 32 18 3 mm 4 x 8 subfloor panels. This way of fitting is well suited to engineered wood flooring and is popular and quick. For nail down wood subfloors installed on grade and below grade add a moisture control system below the subfloor material.

This is a popular subflooring option in the southern states and in areas where homes do not have basements. The concrete subfloor must be sufficiently strong to safely support the flooring furniture and people in the room. For this method the only parts that are glued are the tongue to the groove. The glue down method of engineered wood flooring installation is typically the most common and creates a highly stable floor.

Fasteners may be powder driven pins pneumatic driven nails screws deformed pins or other fasteners suitable for concrete application. Moisture impacts the engineered hardwood flooring regardless of whether the subfloor is wood or concrete. Some engineered wood flooring products are designed for a glue down application when installing flooring over a concrete slab. Jeff hosking a flooring consultant for this old house first began laying floors 35 years ago back then 90 percent of his work was installing solid wood strips with nails.

Excessive moisture permeating from floor slabs after installation can cause floor covering system failures such as debonding and deterioration of finish flooring and coating and microbial growth. Boards adhere well to the rough surface of the concrete subfloor and therefore lead to less gaps or planks lifting and buckling. But now half of the flooring he installs is engineered made of thin sheets of wood glued together like plywood. To learn about our products standards and warranties send us an email or call 1 800 832 9023 mon fri 8 a m.

If you have a subfloor that consists of wood on top of concrete you ll need to test both floors. Floating installation for engineered wood flooring.