What Causes Cracks In Drywall Corners

How to determine if the cracks in walls are serious.

What causes cracks in drywall corners.

Outer drywall corners are reinforced with metal or plastic edging called corner bead. Repairing cracks in walls the best way to repair a crack in drywall is to re tape the joint. Homes are constantly settling as different construction materials expand and contract at different rates. One reason drywall cracks is because the wrong type of drywall mud was used when taping the seams.

Truss uplift is a good example of how humidity and temperature can cause cracks in drywall. Causes of drywall cracks most drywall cracks occur on the seams where two pieces of drywall meet. This causes the drywall to get wet soften and deteriorate which then leads to cracking. Too much mud too little mud missing drywall tape and drywall secured with internal stresses are some causes removal of pop corn textured or cottage cheese looking ceiling material may leave a drywall taping job that tends to crack at the drywall joint.

Usually the seams are invisible due to the use of drywall mud and tape. 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. Leaky windows and roofs can cause moisture to get into your home s walls. Drywall cracks in ceilings or walls.

There s no exact method for determining how serious a wall crack is without hiring an expert to examine the wall but you might be able to. This involves scraping away the loose tape and crumbled bits of drywall mud sanding the surface smooth. Some drywall mud products are intended only for second or third coats. 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.

If the cracks in your walls are showing discoloration such as brown or yellow tinted stains then the problem may be the result of water damage to your home. It usually causes cracking on interior walls not exterior walls and sometimes contributes to the cracking at door corners on interior walls. Whether drywall plaster or concrete walls are susceptible to cracks even walls in newly built homes are prone to cracks which normally occur from settling.