Expert Advice on Home Improvement TV Host of Emmy®-Nominated Today's Homeowner® and home expert for The Weather Channel
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Video, Concrete and Masonry, Repairs and Installation, Interior Published 07/26/2007 by Danny Lipford
Danny takes a look at foundation cracks under a carpet and helps sort out when to worry and when not to. Many times these cracks are from expansion and contraction, but in the rare case of something more serious from settling, you may need to call in a structural engineer.
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July 29th, 2007 at 10:54 am
Sir, what if the crack is going down the cement blocks both inside foundation and outside walls (2)? Is it irreparable or just how would it be repaired?
Thank you!
Bruce
August 18th, 2007 at 8:04 pm
sir.what if the cracks were located only in the garage floor….I have cracks, that are level but they are travelly across the room,almost full length and wt. of the garage floor in two direction,when i tap on the cracks they make a hollow sound.what do i do.How do I repair
November 7th, 2007 at 12:12 pm
Derek: There is a process called concrete injecting that is used to correct problems once the problem has been identified. If you are hearing a hollow sound it stands to reason that perhaps there was too much moisture in the mix when it was poured or it was incorrectly poured and air pockets formed. I would think that would be a case where this injection process could be used. But I am not an expert I have just recently done alot of reading about concrete problems having gone through some problems of this kind myself. I have not priced this option for myself, overlayments and such in this area are outrageous, however you would not want an overlayment done on an unstable foundation. (at least I wouldn’t) Deb