3M 78 Polystyrene Foam Insulation Spray Adhesive, Translucent 17.9 Oz. Aerosol Can

Price: $38.74 - $24.99
(as of Aug 25, 2025 18:56:28 UTC – Details)

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. Contains 1,1-Difluoroethane
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 12 x 9 x 11 inches; 1.2 Pounds
Item model number ‏ : ‎ 78
Date First Available ‏ : ‎ September 9, 2006
Manufacturer ‏ : ‎ 3M
ASIN ‏ : ‎ B001EUOAGK
Best Sellers Rank: #16,126 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #7 in Aerosol Adhesives
Customer Reviews: 4.6 4.6 out of 5 stars 242 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

FOR INDUSTRIAL USE ONLY: This product is designed exclusively for industrial applications
SPECIALIZED USAGE: Made specifically for bonding expanding polystyrene foams (EPS), creating bonds stronger than the foam itself
APPLIES EVENLY FOR GOOD COVERAGE: Sprays in a lace pattern optimized for insulation bonding
ADJUST AND REPOSITION: Offers up to 15 minutes of working time
PREVENTS MATERIAL DETERIORATION: Doesn’t dissolve or degrade polystyrene
MADE FOR PROFESSIONALS: Provides industrial-strength bonding for demanding applications
Contains 1,1-Difluoroethane
For industrial/occupational use only. Not for consumer sale or use.Not for sale in California.