Drywall cracks can be caused by a house settling or by force, like edge of a piece of furniture scraping it and causing it to crack. Silicone caulk can be used to handle unstable cracks and cracks that tend to reappear when the movement of the structure reopens them. Silicone caulk cannot be sanded like surfacing compound or joint compound so smoothing it immediately after it's inserted is required.
Things You'll Need
- Flathead screwdriver
- Silicone caulk
- Caulk gun
Widen the crack with a flathead screwdriver making a V-shaped trench.
Wipe off any dust and loose pieces with a rag.
Fill the entire crack with a line of silicone caulk using a caulk gun. Smooth the caulk with a wet finger to make it flush with the existing wall.
Tips & Warnings
- Smooth caulk to be flush with existing wall immediately before it sets up.
- "Home Improvement 1-2-3"; The Home Depot; 2003
- Photo Credit drywall worker image by Sherri Camp from Fotolia.com
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