3M / 78 (7000046590)

3M™ Polystyrene Foam Insulation Spray Adhesive 78, Clear, 24 fl oz (Net Wt 17.9 oz), 12 Can/Case
3M™ Insulation & Polystyrene 78 Spray Adhesive is a high-strength, industrial-grade spray adhesive designed with a lace spray pattern for optimal coverage. With up to 15 minutes of working time, it is effective for bonding most types of insulation, such as fiberglass and expanded polystyrene foam (EPS), onto numerous kinds of materials, including plastics, metals, wood, paper, and more. When used according to 3M instructions, 3M™ Insulation & Polystyrene 78 Spray Adhesive avoids dissolving and degrading polystyrene foam, making it an excellent choice for tasks such as foundation insulation, polystyrene block assembly, and attaching foam to wood and other substrates. For additional application ease, use this spray with the 3M Cylinder Spray Adhesive System.

Price Per Can


3M Product Number: 78

3M ID Number: 7000046590    3M UPC Number: 21200415937    3M Legacy Product Number: 62495149502

Additional Product Information:

Safe and Easy Insulation Attachment with an Extended Open Time
3M™ Polystyrene Insulation Adhesive 78 Aerosol is designed to be a high-solids, high-coverage formula designed for bonding many types of insulation. A lace spray pattern optimized for foam bonding helps bond expanded polystyrene foams (EPS) to themselves and other surfaces, including concrete. This spray is engineered so it won't dissolve or degrade foam when used according to 3M instructions. With a bonding range of one to 60 minutes, it provides extended open time to let you position parts.

Recommended Applications

  • Foundation insulation
  • Polystyrene block assembly
  • Attaching foam to wood and other substrates
  • Proven excellent for roofing and landscaping
  • Styrofoam cores for composites

Your Polystyrene Adhesive
3M™ Polystyrene Insulation Adhesive 78 is capable of bonding polystyrene foam onto a wide array of materials, including paper, cardboard, plastic, metal, wood and much more. This spray adhesive has been proven to work well for projects both large and small.

Cylinder Spray Delivery
3M™ Polystyrene Insulation Adhesive 78 can be used with our 3M Cylinder Spray Adhesive system. Each cylinder is self-contained, pressurized and ready for immediate use. Available in a variety of sizes, they’re portable and require minimal equipment investment and maintenance. Our cylinders help increase your productivity with fast application and no time-consuming equipment setup. The applicator and hose connect quickly and allow you to start spraying immediately. The wide, uniform spray is the optimal pattern to deliver effective and economic use of the adhesive. It also minimizes any pooling for even drying. 3M has a complete line of innovative sprayable adhesives that support a wide range of industrial applications, from aerospace to woodworking.