Securing Post To Concrete

To attach a wood handrail post to concrete.

Securing post to concrete.

Two 50 pound bags of fast setting concrete will set a 4 inch by 4 inch or a 4 inch diameter post in a 10 inch diameter hole 2 feet deep. A good rule of thumb when side mounting is to attach at least one third of the post below the top level of the concrete. 4x4 post base fence post repair wood to concrete post brackets steel post brackets 2x4 cinder block adjustable steel building column. The most common method of securing a post to a concrete base is using a cast in place metal connector such as with a simpson strong tie bison built or usp structural connectors post base.

Best for attaching furring strips doors and electrical boxes in concrete brick stucco or blocks. Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill. A third option for attaching a post to solid concrete or concrete block is side mounting which works well on an elevated masonry base such as steps or a raised concrete porch. Hold the hammer drill perpendicular to the concrete and press the bit against the concrete.

Once it s in the correct position pull the trigger while applying pressure on the back of the drill. Don t require a separate screw. Use enough water to saturate the dry mix. Use a thin drill bit otherwise the lag screws won t secure properly the post.

Must be hammered into place. Use 1 1 2 lag screws to secure the post into position. Avoid using in crumbly surfaces. Pulse your finger on the trigger at 5 second intervals until you ve drilled up to the tape that you wrapped around the bit.

Powder actuated fasteners are ideal for securing 2x4 sleepers to floors furring strips to walls and plywood subfloors to slabs. They provide a strong and fast way to attach to concrete but you. How doers get more done. Consequently the last step when anchoring a post to concrete is to drill pilot holes with a drill machinery through the holes in the post anchor.

Mark the location of the holes in a metal post bracket on the concrete.