Installing Floor Joists Over Concrete Slab

A sleeper system is a substructure made up of joists that sits on the surface of the concrete below the decking.

Installing floor joists over concrete slab.

Stagger the butt joints on at least two floor joists similar to installing subfloor and roof sheathing. 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. Going the opposite direction of the pt on the concrete. Experienced professionals pay close attention to managing moisture and minimizing wood floor expansion and contraction when preparing to install hardwood floors on concrete slabs.

For some reason the slab is just a mess. To install a composite deck over concrete you re going to need a sleeper system. Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. 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.

These will be the end sill plates that support the ends of the floor joists. Learn how to install beautiful hardwood floors over a concrete slab. Then lay 6 mil poly over it and staple it down. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.

Treated plywood to the concrete with concrete screws spaced every 16 in. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Set up a sleeper system. Floor joists over concrete slab.

Jump to latest follow. Have done quite a few floor systems over slab. 4 measure for filler pieces that install along the base of a long wall. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems.

There are some combination subfloor radiant heat products i dunno a thing about installing or reliability as sub floor or heat. Another btw are you sure slab was poured. The procedure for installing a floor structure over a slab with 2 by 6 joists can be. Lay another 2x4 plate around the perimeter and like make said again at 4 5 o c.

Alternatively screw rows of treated 1x4s to the concrete 16 in. 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. Then install 24 x 1 1 2 foam between the 2x4 s.