How To Frame A Wall On Uneven Concrete Floor

Snap chalk lines between each set of marks to guide the wall installation later.

How to frame a wall on uneven concrete floor.

In this video i show you the method that i use to attach basement framing to a concrete floor. To resurface an uneven concrete slab begin by laying a long straight 2x4 wooden rail across the concrete slab floor with one end positioned on the high point in the room. Slip shims under the low end of the 2x4 rail until it s perfectly level then use a scribing tool to transfer the unevenness of the floor onto the rail. Fasten your top plates to the ceiling.

Fasten your bottom plates to the floor where you want your walls. Mark the length of the new wall on both the adjoining wall and floor. Measure and cut two two by fours one of. Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.

When a floor is uneven the best way to frame a new wall is to set the floor and ceiling plates first. Walls are built from the ground up. Measure all the studs individually and toe nail them into the plates. Use a chalk line on the floor to indicate wall placement and cut a 2 by 4 to fit.

Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor. I use tapcon concrete screws to secure the wood to the floor. Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.