Drywall Butt Joint ‘Humps’: Prevention With Back-Blocking and Repair Options
Introduction A drywall butt joint hump is an uneven bump along a seam where two panels meet. It happens when compaction or framing flex creates a little bulge that catches the eye. This article covers how back-blocking and simple repair steps can keep seams flat. Back-blocking involves inserting solid material behind the joint to help […]
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