The long edge is 19 long.
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 your drywall or plaster interior walls could be the result of.
These joint areas are weaker than in the center or field area of the drywall therefore some cracks may occur at these joints.
This occurs because there is a joint which gets drywall taped and then layered with two or three coats of drywall mud.
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 products are intended only for second or third coats.
Repairing cracks in walls the best way to repair a crack in drywall is to re tape the joint.
House settling and temperature or moisture fluctuations in an attic which result in the expansion or contraction of framing members.
Drywall cracks in ceilings or walls.
I installed the drywall in 2007 and the crack first appeared about 4 years ago.
When a crack appears it is usually on a seam where two drywall sheets meet and it is easily fixed.
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.
Usually the seams are invisible due to the use of drywall mud and tape.
The back to front dimension is 30 which means there are over 7 sheets of drywall.
Poor tape joints or contaminated drywall.
The mud fills in the seam and the tape covers it up.
Typically plaster ceiling cracks have two causes.
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.
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.