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.
How to attach post to concrete wall.
Mix a batch of concrete according to the manufacturer s instructions.
Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill.
Using a rented core drill you can drill a hole through your concrete slab for each fence post.
Mark the location of the holes in a metal post bracket on the concrete.
Insert lead shields into the holes in the concrete.
Add the water and concrete to a mixing container then use a wooden stirrer or electric paddle mixer to combine them into a thick liquid.
To attach a wood handrail post to concrete.
Line up your fixture or whatever you want to attach to the concrete.
Install a 1 4 inch drill bit in the power drill.
These are extremely strong anchors for attaching framing members to solid concrete.
This video shows how a core drill works.
Place the fixture over the concrete and line up the holes.
Attach fence to wall once your bold holes are marked you can make final preparations and install your fencing.
They come in a variety of lengths and from 1 4 in.
Drill a hole the size of the anchor through the wood and into the concrete.
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.
Thread the nut on a few turns and tap it into place with a hammer.
Read the concrete packaging to find out how to mix it.
After drilling through your concrete you d set the posts similarly to how you set posts in soil pouring concrete around the bottom of the post and finishing the concrete flush with your existing slab.
Line up the hole that you drilled into the concrete with the hole in the fixture.