Green Glue comes in caulking tubes. It's the best stuff I know to seal cracks between sheet material in your basement ceiling ...

You will need a wall patcher, a paintbrush, paint, a screwdriver, sandpaper, and a putty knife to repair the ceiling. Start ...

Crackseal is a preventive maintenance application to seal cracks with a surface opening of ¼ inch or more. Cracksealing is applied into the crack after it has been cleaned of all sand ...

"Most cracks are shaped like an inverted V," he adds. "One needs to open up the top a bit to allow sealant to reach the base. The rubber then will seal the entire crack." Wider cracks, up to 2 in.