• Engineered specifically for thermal insulation in HVAC and glass fiber applications.

• Quick and strong adhesive for fast, single-sided bonding

• Allow for immediate repositioning while providing lasting strength.

• Certified by GREENGUARD™ and UL

3M™ Fastbond™ 49 Insulating Adhesive is a quick-drying adhesive that bonds a variety of fabrics and insulating materials to multiple substrates. The 3M adhesive provides a fast bonding effect, ensuring smooth project progress. The adhesive formula is easy to spray and can be applied directly to the desired surface and material without being absorbed or yellowing.

Adhesives can bond fabrics 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 bond strength and ample open time for precise positioning. The high solid content characteristic aids in lower permeability, giving you ample time to align insulating materials. It covers more area than competing adhesives. Fast fix, strong bonding, and maintaining a clean appearance make it an ideal choice for various projects.

Recommended Uses

• 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 cost-effective solution for installing thermal insulation materials. This water-based adhesive is GREENGUARD™ certified and meets California and OTC VOC requirements.