
Specifically formulated for thermal insulation in HVAC glass fiber applications.
Quick and strong adhesive for fast, single-sided bonding
Allow for immediate repositioning, while providing durable strength.
Certified by GREENGUARD™ and UL
3M™ Fastbond™ 49 Insulating Adhesive is a quick-drying adhesive that bonds various fabrics and insulating materials to multiple substrates. 3M's durable adhesive provides rapid bonding, ensuring smooth project progress. The adhesive formula is easy to spray and can be directly applied to the required surfaces and materials without absorption or yellowing.

Adhesives can bond fabric and insulating materials to wood, metal, and other materials.
Rapid fix, single-sided application
3M™ Fastbond™ Insulating Adhesive 49 has always been a key product for 3M, an essential daily adhesive for factories, and is widely recognized.
3M™ Fastbond™ Insulating Adhesive 49 offers excellent initial adhesion and ample open time for precise positioning. Its high solid content characteristics help achieve lower permeability, giving you ample time to align the insulating material. Covers more area than competitive adhesives. Fast set, strong bond, and clean appearance make it an ideal choice for various projects.
Recommended Applications
Insulation material installation
Air Conditioner Glass Fiber Insulation
Hanging fabrics, felt, foam, and other materials
Ideal choice for thermal insulation applications
3M™ Fastbond™ Insulating Adhesive 49 offers a clean and economical solution for installing thermal insulation materials. This water-based adhesive is GREENGUARD™ certified and meets VOC requirements set by California and OTC.






























