Checking for Footers in an Old House: What's the Best Method?
Asked by CuriousCat122
I'm currently working with a structural engineer on my 1945 house, which has a cracked basement wall and a cinder block foundation. The engineer mentioned there's a 50/50 chance that I have a footer. Before deciding on the next steps, he needs to confirm whether a footer exists. Should I break out a 6x6 inch piece of the slab in a hidden spot next to the wall to check for a footer and then fill it back in with concrete? Are there any issues I should consider with this approach?
Answers
Instead of breaking your slab, you could dig an inspection hole outside along the foundation. Footers usually extend beyond the cinder blocks. You might start by using a rebar rod next to the block to see if you hit anything beneath.
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Yes, footings became common only after the late 60s with the advent of reusable form panels. You can safely open a hole about 12x12 inches in your basement slab to check if a footer is there and find out what’s under the slab. Hopefully, you’ll have a footer and possibly some clay tile drains too!
HopingForDrains: Thanks! I really doubt there are any drains, but I’m keeping my fingers crossed.
OldHouseGuru: Good luck! Let us know what you find!
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Not to overstep, but why not ask your engineer for his recommendation? He would be the most knowledgeable about what's best for your situation.
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DiggerDan42: I'll probably need to dig down about 7 feet. I appreciate the rebar tip; that's a good idea!