How To Build An Interior Wall On Concrete
Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.
How to build an interior wall on concrete. Measure from the edge of your concrete footing to the point where the outside face of your wall will be. Space attachments every 12 inches using two at a time. Lift the wall and slide the wall over the anchors. Other nails have a thick shank that sometimes has spiral ridges for improved holding power.
Make sure joints between cap blocks are filled with mortar and smoothed with the finishing tool. Thread and hand tighten a nut onto each anchor. Fully tighten anchor nuts with an adjustable wrench. Insert shims between the joists and wall as necessary to make the wall fit snugly.
Nail through the bottom wall plate into the concrete beneath with a powder actuated nail gun or other masonry fastener. Align the wall with the chalk snap lines that indicates its position. Use an impact driver to drive a 3 tapcon screw through the wood and into the floor. Choose a length that will penetrate the concrete at least 1 inch.
Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor. Some concrete nails are the cut nail design shown in the photo with a thick flat shank and a tapering v profile. Be sure to wear safety goggles when hammering masonry nails into concrete. Drive a nail into the concrete here.
So if your wall is 8 inches wide your two nails should be 8 inches apart. Measure out from that nail to where the other face of your wall will be and place another nail. The tops of cement block walls are typically capped by applying a layer of mortar embedding metal reinforcement strips then covering the wall with solid concrete cap blocks. Walls are built from the ground up.