3M Fastbond insulation adhesive 49 is a fast drying adhesive that bonds a range fabrics and insulation materials to a range of substrates. Our permanent bond provides fast results to keep projects moving ahead. This adhesive's formula is easy to dispense and apply directly onto surfaces and materials where needed, with no soak in or yellowing over time. 3M Fastbond insulation adhesive 49 is a long time member of 3M portfolio of go to, everyday use adhesives considered by many to be necessary at the factory. We designed 3M Fastbond insulation adhesive 49 to have an aggressive tack that offers a high initial grab as well as sufficient open time to position materials properly. High solids content supports its low soak in property, giving you ample time to align your insulation properly. This attribute also provides higher coverage than competing adhesives. The combination of fast tack, strong bond and clean appearance make it ideal for projects of all kinds. 3M Fastbond insulation adhesive 49 provides a clean, economical solution for installing insulation. This water based adhesive is GREENGUARD certified and meets California and OTC state VOC requirements.