Installing Floor Joists Over Concrete Slab

In this guide we ll provide you with basic instructions to help install a composite deck over concrete.

Installing floor joists over concrete slab.

Stagger the butt joints on at least two floor joists similar to installing subfloor and roof sheathing. Set up a sleeper system. Then lay 6 mil poly over it and staple it down. There are some combination subfloor radiant heat products i dunno a thing about installing or reliability as sub floor or heat.

A sleeper system is a substructure made up of joists that sits on the surface of the concrete below the decking. Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. It is brick construction with a concrete slab floor poured inside. The procedure for installing a floor structure over a slab with 2 by 6 joists can be.

Treated plywood to the concrete with concrete screws spaced every 16 in. Learn how to install beautiful hardwood floors over a concrete slab. Going the opposite direction of the pt on the concrete. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.

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. 4 measure for filler pieces that install along the base of a long wall. These will be the end sill plates that support the ends of the floor joists. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems.

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. Have done quite a few floor systems over slab. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Jump to latest follow.

Floor joists over concrete slab. For some reason the slab is just a mess. Alternatively screw rows of treated 1x4s to the concrete 16 in. 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.

To install a composite deck over concrete you re going to need a sleeper system. Lay another 2x4 plate around the perimeter and like make said again at 4 5 o c. Then install 24 x 1 1 2 foam between the 2x4 s.