How to repair drywall cracks: Widen the crack with a utility knife and brush away dust. Fill the widened crack with lightweight spackle using a putty knife. Apply a thin coat of spackle over the entire area. Allow the spackle to dry for 15 to 30 minutes or the time recommended by the manufacturer. Once dry, sand the area smooth. Brush away any debris and touch up the paint., and more items.
What causes cracks in drywall?
Drywall cracks can be caused by minor seasonal changes in temperature and humidity, or they can be the result of structural problems. Improperly sized or connected framing, settled interior support piers, settled foundation walls and slabs, or deteriorated framing can all cause cracks in drywall finishes.
Poor quality workmanship in taping the drywall joints. (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.
Homes with vaulted ceilings may develop these cracks in the higher areas as well. Additionally, drywall cracks are often found where two pieces of drywall are butted together. This occurs because there is a joint, which gets drywall taped and then layered with two or three coats of drywall mud.
How do I repair drywall cracks?
To effectively repair drywall cracks it is important to first remove as much of the original drywall tape and mud as possible from the area. Any and all loose pieces of tape should be peeled away. Drywall mud can be scraped from the surface using a six inch knife. When away excess mud, take care not to gouge the surface of the drywall.
Can you use drywall tape on cracks?
Taping drywall cracks is basically the same as taping any drywall joint. Make sure to spread enough drywall mud behind the tape to create a firm bond. Be careful not to leave any pockets of air or bare spots behind the tape.