one-component expanding polyurethane foam spray

MPU is a one-part polyurethane foam provided in convenient aerosol packaging. Self-expanding and ready to use, MPU quickly cures to form a tough waterproof layer. MPU is a light yellow colour. The main application for this product is to fill and seal spaces around cables, window frames, pipe ducts and other cavities. The material provides good thermal and acoustic insulation.
Key Properties:

One-part ready to use self-expanding PU foam
Cures quickly to form a tough, waterproof layer
Excellent for filling and sealing spaces around cables, window frames, pipe ducts, etc.
Provides good thermal and acoustic insulation