Installing Floor Joists Over Concrete Slab

For some reason the slab is just a mess.

Installing floor joists over concrete slab. 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. 4 measure for filler pieces that install along the base of a long wall. Then install 24 x 1 1 2 foam between the 2x4 s. Can i just lay my floor joist directly on the concrete.

It is brick construction with a concrete slab floor poured inside. Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. 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.

Floor joists over concrete slab. Have done quite a few floor systems over slab. The procedure for installing a floor structure over a slab with 2 by 6 joists can be. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems.

Jump to latest follow. There are some combination subfloor radiant heat products i dunno a thing about installing or reliability as sub floor or heat. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Lay another 2x4 plate around the perimeter and like make said again at 4 5 o c.

These will be the end sill plates that support the ends of the floor joists. Then lay 6 mil poly over it and staple it down. Going the opposite direction of the pt on the concrete. Treated plywood to the concrete with concrete screws spaced every 16 in.

Another btw are you sure slab was poured. To install a composite deck over concrete you re going to need a sleeper system. Set up a sleeper system. Stagger the butt joints on at least two floor joists similar to installing subfloor and roof sheathing.

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