Step 2 mix anchoring cement by adding about 5 parts anchoring cement to 1 part clean water.
Handrail concrete block wall anchor.
Regular drill bits will.
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.
Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick.
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.
Large diameter tapcons or ldt s are the fastest strongest fasteners i ve found for anchoring to concrete.
Anchoring railing to concrete brick or masonry.
You will need to drill a pilot hole when using any type of concrete anchor.
The hole should be from 2 inches to 4 inches deep.
Here you use the mentioned epoxy type anchors.
When installing these concrete anchors special care must be taken to ensure safe and proper fastening.
When fastening to concrete blocks a number of specific considerations must be taken into account.
Once the nail is set in the anchor body of the hammer drive anchor the anchor cannot be removed without cutting off the head.
First drill the proper size pilot hole 3 8 in 1 2 in etc through the wood or metal and into the concrete.
In this video i show steps for using them to insta.
If the concrete is far to easy to drill but still dry you won t get enough strength to fix a handrail safely.
Be sure to have plenty of extra bits on hand and use a can of compressed air or a blower to clean.
By increasing the embedded depth of the post the pull out strength will increase.
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.
Slide the washers onto the anchors and hand tighten the nuts down first.
Place the flange onto the concrete anchors you just hammered 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.
In many construction applications concrete anchors must be fastened to a concrete block to hold a fixture or item of some kind.
Having peace of mind that the railing you designed meets specifications and is installed properly is a necessity.
Slide the anchor into the hole and pound it in.
Create a hole with a masonry core drill that is at least 1 inch larger than the diameter of the railing or bolt.
Slip the concrete sleeve anchor into the hole.
