DIY Home Improvement, Remodeling & Repair Forum

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scuba22 03-14-2012 12:51 PM

Foundation cracks
Have block foundation and I have various cracks appearing inside and outside the house along the edges of some of the blocks. I can't see to the outside or anything, but I was wondering if I could fill those cracks with something. I figured there was some kind of caulk to repair concrete that I could fill the crack with. Any suggestions? Thanks!

nealtw 03-14-2012 06:33 PM

Welcome to a new member:)
If these cracks are new, you may want to determen the cause before getting into it. They may be an indecator of a bigger problem with footing or drainage.

scuba22 03-15-2012 11:08 AM

Well our basement has a drainage system similar to b-dry where it drains along the footing into two sump pumps. The pumps are new and working. The cracks were there before, but I don't think we're as large. I can post a pic sometime as well.

nealtw 03-15-2012 11:36 AM

We don't do much work on block walls and I'm sure you can fill cracks with non-shrink grout or something. If you are draining area around footing that weren't drained before might indicate, the footing settleing. If thsi has been drained for six months or so,
it probably isn't going to get much worse, but it does want to be watched.

Michaelolding1 03-24-2012 12:38 AM

It seems a simple mortar with polymer bonding adaptive would be sufficient to close off joints. The freshly TP joints then become your monitor for any future movement as these are the stress release areas.

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