If the joint is taller than wide place the holes vertically.
Tying concrete walls together.
The wall tie is used on light vertical mats of steel.
Fill the hole with epoxy slowly.
If you need to cut the rebar to size with a metal cutting hacksaw blade or another saw.
This tie is used mostly on floor slabs.
Use rebar about 1 3 in 0 85 cm in diameter to reinforce the concrete.
Drill 5 8 inch diameter holes six inches deep into the old concrete.
Snap tie concrete forms are a simple and easy system for foundation walls.
Place a layer of steel rebar of the way up the hole.
If the joint is wider than it is tall place the holes horizontally.
This will provide lateral support to the wall but will allow some minor vertical movement without cracking.
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Insert the tip of the epoxy gun into the hole as far as you can.
Then pack the cores with mortar around the angle and seal the joint between the new blocks and the old wall with a good elastomeric caulk.
Provide a bond breaker on each leg of the angle and break out the end webs of the new blocks.
Make these holes 12 inches on center horizontally or vertically depending upon the predominant orientation of the joint.
Lay the rebar in a grid with the bars spaced about 12 in 30 cm apart.