Installing Floor Joists Over Concrete Slab

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

Installing floor joists over concrete slab.

Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. Installing a hardwood floor over a concrete slab even if your home was built on a concrete slab you can still enjoy the beauty and charm of hardwood floors. These will be the end sill plates that support the ends of the floor joists. Another btw are you sure slab was poured.

Lay another 2x4 plate around the perimeter and like make said again at 4 5 o c. Then lay 6 mil poly over it and staple it down. In this guide we ll provide you with basic instructions to help install a composite deck over 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.

Learn how to install beautiful hardwood floors over a concrete slab. Have done quite a few floor systems over slab. Then install 24 x 1 1 2 foam between the 2x4 s. A sleeper system is a substructure made up of joists that sits on the surface of the concrete below the decking.

Stagger the butt joints on at least two floor joists similar to installing subfloor and roof sheathing. Going the opposite direction of the pt on the concrete. Floor joists over concrete slab. Jump to latest follow.

To install a composite deck over concrete you re going to need a sleeper system. It is brick construction with a concrete slab floor poured inside. Experienced professionals pay close attention to managing moisture and minimizing wood floor expansion and contraction when preparing to install hardwood floors on concrete slabs. Can i just lay my floor joist directly on the concrete.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Set up a sleeper system. The procedure for installing a floor structure over a slab with 2 by 6 joists can be. There are some combination subfloor radiant heat products i dunno a thing about installing or reliability as sub floor or heat.

Alternatively screw rows of treated 1x4s to the concrete 16 in. 4 measure for filler pieces that install along the base of a long wall. Secure each length to the slab with concrete nails spaced approximately 80 cm 32 inches apart and 20 to 30 cm 8 to 12 inches from each end.