From the Manufacturer
Dap 12278 Elastomeric Patch & Caulking Compound is a High Performance Elastomeric Spackling Compound eliminates recurring cracks by providing a permanently flexible fill. Excellent for use on smooth surfaces including masonry, brick, plaster, drywall or any surface requiring a permanently flexible seal. Superior paintability - won't flash paint. Interior/Exterior.
Product Description
A high performance, terpolymer patching compound ideal for patching and repairing recurring cracks and holes. This product remains permanently flexible and will not crack, crumble, or fall out as joints expand and contract over time. It is suitable for us