Concrete Floor Over Joists. The new timber joists need to be suspended above the concrete, normally by around 150mm to prevent moisture transmission through the timber and renovating a bathroom and we have stripped back to the concrete floor underneath. 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. They call them sleeper 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 remodelling a basement or garage space. Right now it's a poured concrete floor, but it's pretty uneven.lots of little high and low spots. Speedfloor is one of several steel joist flooring systems that can speed icf construction.
Gallery of Concrete Floor Over Joists
How much weight can this type of floor support? Joists should be laid 19 inches on center. 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. I've done joist on concrete and seen it done in other parts of the country but i never liked it.