Floor Joists Over Concrete Slab

We had a similar concrete floor with radiant tubing and the wire mesh attached to spacers just floated over the top of the tubing.

Floor joists over concrete slab.

Cure the moisture problem before you install the floor. The procedure for installing a floor structure over a slab with 2 by 6 joists can be. The cement floor is approximately 2 feet above the ground and 3 thick. Cover the patio with a thin layer of sand lay pavers over it and the results look like a standard paver patio.

It also adds a little cushion to the hard surface of the concrete. And the first floor trusses are installed and so very pretty. Floor joists over concrete slab. Laying wooden joists on concrete floor.

The concrete was specified to reach 3 500 psi at 28 days with a water cementitious ratio of 0 45 and a max. Been getting a lot of wonderful information around here lately. Sji s technical digest no. 5 vibration of steel joist concrete floor slabs discusses in detail methods for calculating vibration characteristics of cj series steel joists.

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. We are putting new wooden joists down and a. It s a fairly simple project and the cost is reasonable 3 to 6 per sq. Built from traditional 2x12s.

Floors with joist spacing s of 4 to 10 tend to have increased total concrete slab depths and greater mass to resist floor vibration. With some judicious control joints we only had a few cracks. 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. Ft but expect a weekend or two of hard labor.

In case you are curious about the different type of options when building a house here s a lay wo man s low down. We chose to build our house using floor trusses. Slump of 4 with shrinking reducing ad mix. I just moved into an outdated 1959 ground flr maisonette with concrete floors.

Renovating a bathroom and we have stripped back to the concrete floor underneath. Moisture that comes up through the slab will ultimately find its way into your finished floor. Hopefully you guys can help me with a project i have in the works or at least on the drawing board if you will. Joists over concrete wall.

However a wooden subfloor helps insulate the flooring from the cold concrete. A wooden subfloor will not cure moisture problems.