If you plan to paint the mantel, caulk any gaps along the wall. Putty over the screwheads (or fill them with plugs if you're not painting). Apply the final coat of paint or finish.
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Hammer drill with 3/16-inch masonry bit
to cut 2v4s
Comes in a kit with legs, a shelf, and interior trim.
to level the mantel.
3. 2x4 LUMBER
for cleats on which the mantel will hang. Two 8-foot pieces should do it.
4. 2 1/2-INCH-LONG 1/4-INCH CONCRETE SCREWS
for attaching the mantel to a brick chimney. If the wall isn't brick, use 3-inch decking screws to attach the cleats to the studs.
5. 2-INCH FINISH SCERWS
to fasten the mantel to the cleats. Finish screws (aka trim heads) have small heads that sink below the surface without the need to drill a countersink hole first.
6. 4d FINISH NAILS
to attach the edge molding.
7. WOOD PUTTY
to fill screw holes.
if you're painting the mantel, to fill gaps where it meets the wall.