{"product_id":"3m-78-polystyrene-foam-insulation-spray-adhesive-industrial-bonding","title":"3M 78 Polystyrene Foam Insulation Spray Adhesive - Industrial Bonding","description":"\u003cp\u003eIn this review of the 3M 78 Polystyrene Foam Insulation Spray Adhesive, the bottom line is simple: this aerosol is built for professionals who need an industrial-strength adhesive that bonds expanded polystyrene (EPS) without dissolving it. The reviewer found it most valuable on insulation projects and polystyrene block assembly where a reliable, long-lasting hold matters. With a lace spray pattern for even coverage and up to 15 minutes of working time, this product is for tradespeople and contractors who require predictable positioning and durable adhesion in demanding environments.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eIndustrial grade bonding:\u003c\/strong\u003e Formulated to provide strong, professional-strength bonds suitable for demanding insulation and construction tasks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePolystyrene safe:\u003c\/strong\u003e Specifically designed for expanded polystyrene foam, it does not dissolve or degrade EPS when used as instructed.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLace spray pattern:\u003c\/strong\u003e Applies in a lace pattern that delivers even coverage to reduce waste and improve bond consistency across foam panels.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWorking time:\u003c\/strong\u003e Offers up to 15 minutes of repositioning time to align insulation panels before the bond sets.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile adhesion:\u003c\/strong\u003e Bonds insulation to a variety of substrates including wood, metal, plastics, and paper for common site applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatible system use:\u003c\/strong\u003e Can be used with the 3M Cylinder Spray Adhesive System for larger or repeated jobs to improve handling and application speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 3M 78 spray adhesive is aimed at industrial and trade professionals installing foundation insulation, assembling polystyrene blocks, or attaching EPS to wood and other substrates. Contractors who need a stable working time and a product that will not compromise foam integrity will appreciate the formulation.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for consumer retail sale or casual do-it-yourselfers; the product contains 1,1-difluoroethane and is labeled for industrial\/occupational use only, and it is not sold in certain jurisdictions. Those seeking a consumer-grade adhesive or a product cleared for general household use should look for consumer-labelled alternatives.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eProvides strong adhesion to EPS and many common substrates without melting the foam.\u003c\/li\u003e\n \u003cli\u003eLace spray pattern promotes even coverage and efficient use of material.\u003c\/li\u003e\n \u003cli\u003eUp to 15 minutes of working time allows adjustment and repositioning during installation.\u003c\/li\u003e\n \u003cli\u003eDesigned for industrial applications, offering a professional-level solution for demanding jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eRestricted to industrial and occupational use, so it is not appropriate for consumer purchases or casual projects.\u003c\/li\u003e\n \u003cli\u003eSome users reported mixed impressions of spray effectiveness, which can depend on technique and equipment used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003e3M\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePolystyrene foam insulation spray adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eContainer\u003c\/td\u003e\n\u003ctd\u003e17.9 oz aerosol can\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWorking Time\u003c\/td\u003e\n\u003ctd\u003eUp to 15 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSafe for\u003c\/td\u003e\n\u003ctd\u003eExpanded polystyrene foam (EPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSolvent Note\u003c\/td\u003e\n\u003ctd\u003eContains 1,1-difluoroethane\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication Pattern\u003c\/td\u003e\n\u003ctd\u003eLace spray pattern for even coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 3M 78 Spray Adhesive is a solid choice for professionals who need a reliable, non-damaging adhesive for EPS and insulation work; it delivers industrial-strength bonds and gives installers time to position materials. Given its limitations for consumer sale and the need for proper handling, it represents good value for contractors and trade users who require consistent performance on insulation projects.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this safe for expanded polystyrene foam?\u003c\/strong\u003e\u003cbr\u003eYes, when used according to 3M instructions the formulation avoids dissolving or degrading EPS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long can you reposition after spraying?\u003c\/strong\u003e\u003cbr\u003eThe product provides up to 15 minutes of working time for adjustment and repositioning before the bond sets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used on other materials besides foam?\u003c\/strong\u003e\u003cbr\u003eYes, it bonds insulation to substrates such as wood, metal, plastics, and paper, making it suitable for common site applications.\u003c\/p\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":48261505679579,"sku":"B001EUOAGK","price":38.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71fGk8DvDXL._SL1500.jpg?v=1778243511","url":"https:\/\/gearmusthave.com\/products\/3m-78-polystyrene-foam-insulation-spray-adhesive-industrial-bonding","provider":"GearMustHave","version":"1.0","type":"link"}