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block outTo install a box or barrier within a foundation wall to prevent the concrete from entering an area. Foundation walls are sometimes blocked in order for mechanical pipes to pass through the wall, to in [..]
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block outThe installing of a box or barrier within a foundation wall to prevent the concrete from entering an area. For example, foundation walls are sometimes "blocked" in order for mechanic [..]
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block outTo install a box or barrier within a foundation wall to prevent the concrete from entering an area. For example, foundation walls are sometimes "blocked" in order for mechanical pipes to pass through the wall, to install a crawl space door, and to depress the concrete at a garage door location.
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