Cracks In Drywall Seams After Attic

This involves scraping away the loose tape and crumbled bits of drywall mud sanding the surface smooth.

Cracks in drywall seams after attic.

The back to front dimension is 30 which means there are over 7 sheets of drywall. The long edge is 19 long. House settling and temperature or moisture fluctuations in an attic which result in the expansion or contraction of framing members. Illustrations show where cracks are most likely to appear explain why and suggest both repair approaches to drywall cracks and how to prevent cracking in plasterboard or gypsum board.

This article describes the common causes of all types of cracks that appear in drywall or gypsum board or plasterboard walls ceilings in building interiors. When a crack appears it is usually on a seam where two drywall sheets meet and it is easily fixed. Some drywall mud products are intended only for second or third coats. This occurs because there is a joint which gets drywall taped and then layered with two or three coats of drywall mud.

We have a crack at the long edge seam of the drywall in the ceiling. Cracks in your drywall or plaster interior walls could be the result of. Usually the seams are invisible due to the use of drywall mud and tape. Ceiling joists that are overloaded by homeowners storing boxes in the attic.

Most drywall cracks occur on the seams where two pieces of drywall meet. Repairing cracks in walls the best way to repair a crack in drywall is to re tape the joint. If the crack is on a vertical or horizontal seam carefully widen the crack with the corner of a paint scraper utility knife or chisel to determine if the crack extends completely through the paper that is covering the seam image 1. I installed the drywall in 2007 and the crack first appeared about 4 years ago.

Poor tape joints or contaminated drywall. One reason drywall cracks is because the wrong type of drywall mud was used when taping the seams. Additionally drywall cracks are often found where two pieces of drywall are butted together. Some drywall mud has more adhering ability and should be used when taping drywall whereas other types of drywall mud should only be used in finishing.

These joint areas are weaker than in the center or field area of the drywall therefore some cracks may occur at these joints.