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