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replace crumbling blocck

how can i replace them with out destroying the concreat slab they are falling apart

Re: replace crumbling blocck

Support the house or Deck on the foundation first. Because the concrete is done. If your trying to replace a foundation put new supports in 1st, 1 section at a time. You need to locate your load bearing points and dig new footing with fresh concrete to establish a loading point so that you can repair the critical arears 1st. Than block by block rebuild your support walls. Just remember to establish your new support beams or blocks before taking out anything. I'm not a masonary expert but I deal with structural issues all the time and crumbling masonary turns into sand. If your house or deck is supported on top of the blocks that are crumbling then my suggestion to you would be to get a house mover to jack your house up and rebuild the foundation.

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