Stud Walls On Concrete Slab

Trick when placing the concrete anchors either the lbolts or lag shields mark a length of 2 x 4 with the position of the studs lay it beside the concrete pad and insert the concrete bolts betweenmarks.

Stud walls on concrete slab.

So there is enough gap for air to flow. Start at one end of a wall and mark the location of the first stud. Other nails have a thick shank that sometimes has spiral ridges for improved holding power. Be sure to wear safety goggles when hammering masonry nails into concrete.

Using a plumb bob or laser level transfer those locations to the top plates. Then fill the holes in the slab with hydraulic cement. That is if the studs are going to touch the concrete wall. The gasket must be designed specifically for use with.

Exterior wall on slab must be out on the edge an exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab. If this is the case drill through the curb and into the slab with a roto hammer every few feet. Remove the curb and clean the slab thoroughly with a wire brush. Stretch a tape measure across the concrete slab and mark the position of the wall s ends.

Some concrete nails are the cut nail design shown in the photo with a thick flat shank and a tapering v profile. Measure mark and cut a 2 by 4 to serve as the bottom. Or you can leave a 4 inch gap between the studs and concrete wall and probably get away with it. Run a chalk snap line between the marks and snap the line against the slab to lay out the position of one of the wall s sides.

By doing this you will avoid having the concrete bolt end up under a stud position. Use a tape measure to mark out the location of the remaining studs along the wall. This prevents water from leaking under the bottom of the wall to the inside of the building. Lay a continuous layer of 1 4 inch foam gasket or similar moisture and air barrier on top of the concrete slab before applying sill plates.

The website is 100 free. Choose a length that will penetrate the concrete at least 1 inch. Your local building code may call for the wall to be anchored to the slab with threaded rods.