How Many Anchors To Attach Wall To Concrete
When fasteners are used to support horizontal beams on vertical surfaces such as ledgers that support deck framing on the side of a concrete wall they need to be strong.
How many anchors to attach wall to concrete. Drill a hole the size of the anchor through the wood and into the concrete. A hammer drive anchor requires only a small pilot hole. These are extremely strong anchors for attaching framing members to solid concrete. They come in a variety of lengths and from 1 4 in.
Other anchors include sleeve anchors strike anchors hammer drive anchors drop in anchors and machine screw anchors. Drill the hole at least 1 4 inch deeper than the length of the lower portion and vacuum or blow out the hole. Purchase anchors that penetrate into the concrete at least one inch 2 54 cm. Toggle bolts are stronger than nails with a shear rating between 550 and 1 700 pounds but they re not as strong as concrete screws.
Medium duty anchors are good for wall hangings that weigh up to 200 pounds. Masonry and concrete anchor types are considered light duty medium duty or heavy duty based on how much weight they can support. Use wedge anchors to fasten studs to concrete. Wedge anchors are fasteners that rely on expanding sleeves to anchor two by fours permanently.
Drop in the anchor and hammer on the pin to expand the bottom of the shield against the wall of the hole. Once you ve drilled the holes you ll need only a hammer and a wrench to install the wedge anchors. Light duty anchors are good for wall hangings that weigh up to 50 pounds. Thread the nut on a few turns and tap it into place with a hammer.
The one shown requires only a 1 4 inch hole.