Home inspector and DIY'r

What is the best way to tie in a new block foundation wall to an existing foundation wall when putting on an addition, and are there any videos on the subject?


Bob@homeinspectionraleigh.com

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Apr 06, 2012
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Tying into another footer and wall NEW
by: Charlie Cummins

Hello Home Inspector
Masonryworktools gave you very clear instructions of re-bar and epoxy. The only thing I can add to it, is tie it in every 8 inches vertically. You can't tie it in too much, so use that drill, epoxy, and re-bar. Also drill in 5-8 inches if possible, and have the rebar extend into the new work at least 2 feet, and 4 feet would be better. Always better safe than sorry.
For more tips check out brickcertification.com
Thank you
Charlie Cummins

Dec 19, 2010
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to home inspector
by: Anonymous

rebar, drill, clean hole, and epoxy, and to be safe do it every 8 inches.

Dec 19, 2010
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Addition to existing structure
by: masonryworktools.com

Typically you would want to drill and epoxy rebar into the existing foundation. Footings and walls. I do not know of any videos on that application, but the way you would do it is preferably use #5 or 5/8 inch rebar and drill a hole 3/4 inch in diameter to leave room for the epoxy. After drilling, brush out the holes with a strong bristled brush to clean out the dust or blow it out with an air compressor nozzle, and if you want to get real creative, Take a straw and poke it in the hole and blow on it, but close your eyes mind you :) as this is cement powder. Take the epoxy and generously smear it around the bar and inside the hole and let it set up. this will create a very strong connection between the two walls. Thank you and please be careful not to burn your eyes with the powder, I have done it this way and it works but it is quite messy.

Thanks for visiting www.masonryworktools.com

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