Sub Floor Framing Over Cement Slab

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.

Sub floor framing over cement slab.

Treated plywood to the concrete with concrete screws spaced every 16 in. 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. Follow the steps below to begin preparations for this process. Check your local building code and pay special attention to rules concerning vapor barriers span ratings subfloor thickness and floor drains.

Use a digital moisture detector to measure the moisture content mc of the concrete slab. Installing a floating subfloor over your cement floor can add warmth homeliness and character to your room. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.

The subfloor is the foundation beneath finish flooring materials. 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. Alternatively screw rows of treated 1x4s to the concrete 16 in. On wood frame floors the subflooring provides a continuous structural surface over the floor joists.

Raised floors are more resilient under foot and provide access for heating equipment insulation plumbing wiring and other mechanical. Though some floors are built on a concrete slab flat on the ground most floors are raised above the ground. Learn how to install beautiful hardwood floors over a concrete slab. Local and national codes contain specific requirements for framed floors and you should consult your local building department before beginning this project.

Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.