Framing Floor Joists Over Concrete Slab

A typical section showing the heights of the structure is shown in figure 6.

Framing floor joists over concrete slab.

The floor is framed with prefabricated wood i joists. As the code is written a crawl space foundation must have a minimum of 18 inches although there is an exception that states the use of pressure treated lumber is acceptable if the clearance is less. We had a similar concrete floor with radiant tubing and the wire mesh attached to spacers just floated over the top of the tubing. The floors have a 1 1 2 inch lightweight concrete.

Building a framed wood floor over an existing concrete slab can provide the space needed for electric wiring heat venting plumbing drain lines and added insulation when remodeling a basement or garage space. Building regulations contain specific requirements for framed floors and you should consult your local planning department before beginning this project. 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. The exact number of floor joists you ll need will depend on the size of the floor.

Simple answer is yes it s just a sleeper floor i would suggest you glue the floor joists to the floor also be sure to use a good vapor barrier. Stick framed floors typically consist of 3 main components the sill plate which goes on top of the concrete foundation the rim joists which box in the edges of the sill plate and the floor joists which run parallel to one another to provide internal support. Slump of 4 with shrinking reducing ad mix. The concrete was specified to reach 3 500 psi at 28 days with a water cementitious ratio of 0 45 and a max.

The procedure for installing a floor structure over a slab with 2 by 6 joists can be.