As for cracks in drywall, you must utilize a scraper to widen the crack and put drywall tape over it. Use a joint or drywall compound and press from the crack. Clean above with a sponge. Then just sand, primary, and simply paint it about. This matter is great and https://drive.google.com/file/d/1Hi1d9VEsnc7_4Zfq7QXLJ3ge4-J1nucp/view?usp=sharing