How To Build An Exterior Wall On Concrete Slab

The existing slab slopes from back to front a total of about 4 over the length of 28 0 yes 4.

How to build an exterior wall on concrete slab.

I feel a tight connection with a pt sill plate to the slab is crucial. Walls are built from the ground up. How to build a wall on a concrete slab hunker. Remember to check out the full diy construction video on our website.

The concrete crew did a terrible job. I am about to start framing up walls for my woodshop. Your local building code may call for the wall to be anchored to the slab with threaded rods. Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.

Then fill the holes in the slab with hydraulic cement. Position the snap line across the marks that indicate one of the wall s ends and snap a line. This prevents water from leaking under the bottom of the wall to the inside of the building. Stretch a tape measure across the concrete slab and mark the position of the wall s ends.

Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor. Use an impact driver to drive a 3 tapcon screw through the wood and into the floor. Learn how to build a low wall from concrete breezeblocks. Run a chalk snap line between the marks and snap.

I need some advise on the best most efficient way of dealing with this slope in the slab when framing the walls. 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.

Insert shims between the joists and wall as necessary to make the wall fit snugly.