Installing Floor Joists Over Concrete Slab

Experienced professionals pay close attention to managing moisture and minimizing wood floor expansion and contraction when preparing to install hardwood floors on concrete slabs.

Installing floor joists over concrete slab.

Can i just lay my floor joist directly on the concrete. Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. These will be the end sill plates that support the ends of the floor joists. Then install 24 x 1 1 2 foam between the 2x4 s.

Treated plywood to the concrete with concrete screws spaced every 16 in. 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. Jump to latest follow.

Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. In this guide we ll provide you with basic instructions to help install a composite deck over concrete. 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. Going the opposite direction of the pt on the concrete.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. 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. Have done quite a few floor systems over slab. 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.

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. It is brick construction with a concrete slab floor poured inside. 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. Learn how to install beautiful hardwood floors over a concrete slab. There are some combination subfloor radiant heat products i dunno a thing about installing or reliability as sub floor or heat.