Draft-Block is a 1-component expanding polyurethane foam sealant, dispensing as a bead from an aerosol container to fill voids & cavities on flat/irregular surfaces. When cured it is odorless, non-corrosive and inert, containing no urea formaldehyde.*HAZMAT-MUST 
Features
Expands 3X
Tack-free in approx. 45 min.
No urea formaldehyde
SKU: 96500
Categories: Foam Sealants