Learn how to repair a cracked concrete walkway. Find out how using silicone caulk is important to maintain flexibility when you repair a cracked concrete walkway.
LESLIE: Bill needs some help with a concrete repair  problem. What happened?
BILL: Hi. I just wanted to let you know I got a 4’x8’ concrete slab. It’s a floating one that’s part of my back door walkway and it’s cracked in half. Trouble is, the ground in that area heaves quite a bit and I was wondering if there is anything I can do other than digging it out to repair it. And by any chance, would this have been covered in your book ?
TOM: No, actually – well, actually, I think concrete repair is covered in the book but, in this particular situation, you need something that’s going to move and flex. And so I wouldn’t recommend anything more than a silicone caulk . Even if you use an epoxy patching compound, if you’ve got a lot of movement in this space – which is …
LESLIE: It’s still going to crack.
TOM: It’s still going to crack. That’s normally what we would recommend. I would just use a silicone caulk and let it flex. Kind of go with the flow, Bill.
BILL: (overlapping voices) Very good. (inaudible at 0:30:28.5)
TOM: Alright. Thanks so much for calling us at 888-MONEY-PIT.