Floor Joists Over Concrete Slab

The concrete seems to have been treated with a.

Floor joists over concrete slab.

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. And the first floor trusses are installed and so very pretty. We had a similar concrete floor with radiant tubing and the wire mesh attached to spacers just floated over the top of the tubing. Cure the moisture problem before you install the floor.

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. Floor joists are traditional wood joists. Cover the patio with a thin layer of sand lay pavers over it and the results look like a standard paver patio. Renovating a bathroom and we have stripped back to the concrete floor underneath.

I just moved into an outdated 1959 ground flr maisonette with concrete floors. Moisture that comes up through the slab will ultimately find its way into your finished floor. The cement floor is approximately 2 feet above the ground and 3 thick. Joists over concrete wall.

The procedure for installing a floor structure over a slab with 2 by 6 joists can be. Ft but expect a weekend or two of hard labor. Been getting a lot of wonderful information around here lately. A concrete slab provides a firm stable base for pavers.

Hopefully you guys can help me with a project i have in the works or at least on the drawing board if you will. We chose to build our house using floor trusses. In case you are curious about the different type of options when building a house here s a lay wo man s low down. Floor joists over concrete slab.

It s a fairly simple project and the cost is reasonable 3 to 6 per sq. The concrete was specified to reach 3 500 psi at 28 days with a water cementitious ratio of 0 45 and a max. Floors with joist spacing s of 4 to 10 tend to have increased total concrete slab depths and greater mass to resist floor vibration. It also adds a little cushion to the hard surface of the concrete.

With some judicious control joints we only had a few cracks. 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. We are putting new wooden joists down and a.

Sji s technical digest no. Built from traditional 2x12s.