Subfloor For Hardwood On Concrete

Laminate planks snap together and float above a subfloor which means tiny subfloor imperfections are okay although again a level subfloor will help prevent damage.

Subfloor for hardwood on concrete.

If you have a subfloor that consists of wood on top of concrete you ll need to test both floors. Check for cracks and crumbling. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. Use a 6 staple pattern at the perimeter of the subfloor.

How to install a glued subfloor over concrete. Learn how to install beautiful hardwood floors over a concrete slab. Use a moisture vapor retarder between the subflooring and the hardwood flooring to prevent moisture from leaching through the joists and subfloor to negatively affect the hardwood above. Check your flooring manufacturer s recommendations to ensure you re using a proper subfloor.

Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. To level a subfloor for installing laminate follow the directions above to remove high and low spots. A floating floor laminate or locking hardwood shouldn t be installed over a wood subfloor that s adhered to a concrete slab. For more on concrete subfloors see how to get a concrete subfloor ready for wood floors in the february march 2003 issue in new construction the slab should be given at least.

This is a popular subflooring option in the southern states and in areas where homes do not have basements. Use a minimum 3 4 23 32 18 3 mm 4 x 8 subfloor panels. Concrete is a porous material and can retain moisture and emit moisture vapor which could end up in the wood floor above unless the proper precautions are taken. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete.

With dry concrete and the right subfloors and vapor retarders solid hardwood floors can be installed on slabs that are either on grade at ground level or above grade above ground level. For nail down wood subfloors installed on grade and below grade add a moisture control system below the subfloor material. Laminate is a budget friendly attractive alternative to hardwood flooring. Fasteners may be powder driven pins pneumatic driven nails screws deformed pins or other fasteners suitable for concrete application.