How To Anchor Exterior Walls To Concrete
Concrete anchors types vary and include concrete screws hammer set anchors lag shields lead screw anchors plastic wall plugs anchor bolts and more.
How to anchor exterior walls to concrete. The rule of thumb is a minimum of five anchor diameters from the unsupported edge of the concrete. First drill the proper size pilot hole 3 8 in 1 2 in etc through the wood or metal and into the concrete. Insert a 3 8 inch masonry drill bit into a hammer drill. Remove the washer and nut from a concrete anchor.
Mark the location for the anchor centered on the two by four stud. Tighten the fastener until it s secure. When you buy the screws you ll also need to get a special bit that makes a pilot hole matched to the fastener. Each anchor consists of an unthreaded pin set into a metal sleeve.
Place a washer and nut on each anchor bolt. Simply drill a hole into the concrete hold the fixture you re fastening over the hole then use a hammer to tap the anchor into. Drill at least 1 4 inch deeper into the concrete than the fastener s embedment and suck dust out of the hole with a shop vac. Get free shipping on qualified exterior masonry concrete anchors or buy online pick up in store today in the hardware department.
Place the two by four in its desired location. Slip the concrete sleeve anchor into the hole. Tighten the nuts with a wrench to secure the wall frame to the foundation. Install an anchor into each pre drilled hole.
Hold the object you re fastening firmly against the wall because the anchor will draw it only slightly tighter as you tighten the screw or nut. Hoist the wall frame over the bolts and set the wall frame s bottom plate on top of the sill plate. Drill through the stud to make a divot on the concrete. Masonry and concrete anchor types are considered light duty medium duty or heavy duty based on how much weight they can support.
For example if your wedge anchor is 1 2 in diameter it must be installed a minimum of 2 1 2.