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dad911 dad911 is online now
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Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
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The straight gap? That's a control joint, concrete expands and contracts, that helps prevent cracks in unwanted areas.

Caulking would be appropriate, if the gap was larger you push in a foam backer rod and then caulk over it.
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Old 04-28-2021, 05:46 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #4 (permalink)