Floor Joists Over Concrete Slab

Sji s technical digest no.
Floor joists over concrete slab. Hopefully you guys can help me with a project i have in the works or at least on the drawing board if you will. It also adds a little cushion to the hard surface of the concrete. The cement floor is approximately 2 feet above the ground and 3 thick. We had a similar concrete floor with radiant tubing and the wire mesh attached to spacers just floated over the top of the tubing.
Joists over concrete wall. Cure the moisture problem before you install the floor. 5 vibration of steel joist concrete floor slabs discusses in detail methods for calculating vibration characteristics of cj series steel joists. However a wooden subfloor helps insulate the flooring from the cold concrete.
Floor joists over concrete slab. We are putting new wooden joists down and a. Renovating a bathroom and we have stripped back to the concrete floor underneath. The concrete seems to have been treated with a.
And the first floor trusses are installed and so very pretty. A concrete slab provides a firm stable base for pavers. Cover the patio with a thin layer of sand lay pavers over it and the results look like a standard paver patio. Moisture that comes up through the slab will ultimately find its way into your finished floor.
The procedure for installing a floor structure over a slab with 2 by 6 joists can be. The concrete was specified to reach 3 500 psi at 28 days with a water cementitious ratio of 0 45 and a max. I just moved into an outdated 1959 ground flr maisonette with concrete floors. 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.
A wooden subfloor will not cure moisture problems. Ft but expect a weekend or two of hard labor. Slump of 4 with shrinking reducing ad mix. Floors with joist spacing s of 4 to 10 tend to have increased total concrete slab depths and greater mass to resist floor vibration.
We chose to build our house using floor trusses. Built from traditional 2x12s. I am going to install 2x6 floor joists on a cement floor put fiberglass insulation rolled in between the joists and the floor will be 3 4 exterior plywood. It s a fairly simple project and the cost is reasonable 3 to 6 per sq.
With some judicious control joints we only had a few cracks. Been getting a lot of wonderful information around here lately.