Sub Floor Framing Over Cement Slab

In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.

Sub floor framing over cement slab.

Alternatively screw rows of treated 1x4s to the concrete 16 in. You can create a floor that is appealing and that will act a barrier between the cold cement and your interior. Raised floors are more resilient under foot and provide access for heating equipment insulation plumbing wiring and other mechanical. Follow the steps below to begin preparations for this process.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Installing a floating subfloor over your cement floor can add warmth homeliness and character to your room. The subfloor is the foundation beneath finish flooring materials. Treated plywood to the concrete with concrete screws spaced every 16 in.

Though some floors are built on a concrete slab flat on the ground most floors are raised above the ground. The procedure for installing a floor structure over a slab with 2 by 6 joists can be adapted to larger joist sizes if more subfloor space is required. When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are. Learn how to install beautiful hardwood floors over a concrete slab.

An illustrated look at how a typical wood frame floor is built including sublooring and more. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Use a digital moisture detector to measure the moisture content mc of the concrete slab. Local and national codes contain specific requirements for framed floors and you should consult your local building department before beginning this project.

Check your local building code and pay special attention to rules concerning vapor barriers span ratings subfloor thickness and floor drains.