Lay the rebar in a grid with the bars spaced about 12 in 30 cm apart.
Tying concrete walls together.
Insert the tip of the epoxy gun into the hole as far as you can.
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Drill 5 8 inch diameter holes six inches deep into the old concrete.
Load your concrete epoxy adhesive into the epoxy gun according to the instructions included with the gun.
Make these holes 12 inches on center horizontally or vertically depending upon the predominant orientation of the joint.
Snap tie concrete forms are a simple and easy system for foundation walls.
Provide a bond breaker on each leg of the angle and break out the end webs of the new blocks.
If the joint is wider than it is tall place the holes horizontally.
This tie is used mostly on floor slabs.
Fill the hole with epoxy slowly.
Place a layer of steel rebar of the way up the hole.
Pull the tip of the gun out of the hole as it fills.
This tie is made by going about 1 1 2 times around the vertical bar then diagonally around the intersection twisting the two ends together until the connection is tight but without breaking the tie wire then cutting off the excess.
If the joint is taller than wide place the holes vertically.
This will provide lateral support to the wall but will allow some minor vertical movement without cracking.
Use rebar about 1 3 in 0 85 cm in diameter to reinforce the concrete.