CRL 3M® Super77™ Multipurpose Spray Adhesive Caulking & Urethane Heaters/Coolers Extensive material testing has shown

Extensive material testing has shown that the following substrates must be tested for good adhesion

polyurethane sealant specifically formulated for dynamically moving building joints

Off-white color comes in factory sealed plastic containers that preserve freshness and shelf life

Once it is applied and thoroughly set up

CRL 3M® Super77™ Multipurpose Spray Adhesive Caulking & Urethane Heaters/Coolers Extensive material testing has shownUniform, Fast, Easy Spray Application Heat and Water Resistant Low VOC <25% is CARB Compliant and Eligible for LEED Credits Fast Drying, Bonds Paper, Cardboard, Fabric, Insulation, Plastic, Metal, Wood and More CRL 3M Super77 Spray Adhesive is a strong, translucent, fast drying adhesive for permanently attaching an array of materials, including paper, cardboard, fabric and insulation. It also works well with plastic, metal, wood and much more.