Floor Joist Over Concrete Slab

Sleepers are long pieces of wood placed on the basement slab that support the subfloor.

Floor joist over concrete slab. A concrete slab provides a firm stable base for pavers. Then lay 6 mil poly over it and staple it down. Then install 24 x 1 1 2 foam between the 2x4 s. Ft but expect a weekend or two of hard labor.

Going the opposite direction of the pt on the concrete. 3 4 subfloor over them. Over them going the direction of the pt on the concrete 16 o c. When i do this i will only have about 7 or 8 inches between the concrete.

Hopefully you guys can help me with a project i have in the works or at least on the drawing board if you will. One thing i ll say given the age of the slab and from what i ve seen of the rest of the construction the slab was probably poured right over grade with no vapor barrier or insulation as shown in the above drawing. 1 pound of 1 1 2 inch deck screws. However they just left the concrete for the floor so there are two steps down.

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. What i want to do is frame a floor over the concrete that is level with the house floor. This will give a minimum 1 1 2 inches space between the bottom of the flooring and the concrete slab and about 14 inches between joists. 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.

Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line. 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. It s a fairly simple project and the cost is reasonable 3 to 6 per sq.

Maybe i m using the wrong terminology. Been getting a lot of wonderful information around here lately. Floor joists over concrete slab. They call them sleeper joists.

The procedure for installing a floor structure over a slab with 2 by 6 joists can be. I believe the irc says 18 min between bottom of joists and floor in crawlspace.