Floor Joists Over Concrete Slab

Been getting a lot of wonderful information around here lately.

Floor joists over concrete slab.

Floors with joist spacing s of 4 to 10 tend to have increased total concrete slab depths and greater mass to resist floor vibration. Hopefully you guys can help me with a project i have in the works or at least on the drawing board if you will. The cement floor is approximately 2 feet above the ground and 3 thick. Cure the moisture problem before you install the floor.

We chose to build our house using floor trusses. 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. A concrete slab provides a firm stable base for pavers. It s a fairly simple project and the cost is reasonable 3 to 6 per sq.

The procedure for installing a floor structure over a slab with 2 by 6 joists can be. A wooden subfloor will not cure moisture problems. The concrete was specified to reach 3 500 psi at 28 days with a water cementitious ratio of 0 45 and a max. In case you are curious about the different type of options when building a house here s a lay wo man s low down.

Cover the patio with a thin layer of sand lay pavers over it and the results look like a standard paver patio. Ft but expect a weekend or two of hard labor. However a wooden subfloor helps insulate the flooring from the cold concrete. Renovating a bathroom and we have stripped back to the concrete floor underneath.

Laying wooden joists on concrete floor. The concrete seems to have been treated with a. Sji s technical digest no. Joists over concrete wall.

5 vibration of steel joist concrete floor slabs discusses in detail methods for calculating vibration characteristics of cj series steel joists. We are putting new wooden joists down and a. I just moved into an outdated 1959 ground flr maisonette with concrete floors. We had a similar concrete floor with radiant tubing and the wire mesh attached to spacers just floated over the top of the tubing.

Moisture that comes up through the slab will ultimately find its way into your finished floor. Floor joists over concrete slab. Built from traditional 2x12s. Slump of 4 with shrinking reducing ad mix.

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. It also adds a little cushion to the hard surface of the concrete.