Create a hole with a masonry core drill that is at least 1 inch larger than the diameter of the railing or bolt.
Handrail concrete block wall anchor.
Specifying the anchors for a handrail or guardrail application may not be the most exciting design you ever work on as an architect or engineer but that doesn t make it any less critical to the safety of the building occupants.
Place flange on concrete anchors.
Having peace of mind that the railing you designed meets specifications and is installed properly is a necessity.
Place the flange onto the concrete anchors you just hammered in.
Regular drill bits will.
By increasing the embedded depth of the post the pull out strength will increase.
If the concrete is far to easy to drill but still dry you won t get enough strength to fix a handrail safely.
With the holes drilled and the debris cleaned out you can now hammer in the concrete anchors.
First drill the proper size pilot hole 3 8 in 1 2 in etc through the wood or metal and into the concrete.
Here you use the mentioned epoxy type anchors.
The hole should be from 2 inches to 4 inches deep.
Tighten the fastener until it s secure.
For weak concrete i found that misusing the drill to create a bigger hole diameter in the bottom part gives added strenght but for this the anchor should be at least 10cm deep in the concrete thin 5cm slabs can t be fixed with epoxy anchors.
When installing these concrete anchors special care must be taken to ensure safe and proper fastening.
The hammer drive anchor comes in two diameters of 3 16 and 1 4 and in various lengths to accommodate different thickness of the material being fastened to the cinder block.
Hand tighten bolts onto anchors.
Be sure to have plenty of extra bits on hand and use a can of compressed air or a blower to clean.
Large diameter tapcons or ldt s are the fastest strongest fasteners i ve found for anchoring to concrete.
Slide the anchor into the hole and pound it in.
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.
You will need to drill a pilot hole when using any type of concrete anchor.
Once the nail is set in the anchor body of the hammer drive anchor the anchor cannot be removed without cutting off the head.
When fastening to concrete blocks a number of specific considerations must be taken into account.
Slip the concrete sleeve anchor into the hole.
Anchoring railing to concrete brick or masonry.
In many construction applications concrete anchors must be fastened to a concrete block to hold a fixture or item of some kind.
In this video i show steps for using them to insta.
