Thermo-Tecs new Heavy-Duty Spray Adhesive is perfect for use with these Thermo-Tec products: Thermo-Guard FR, the Cool-It Insulating Mat and the Aluminized Heat Barrier, but you dont have to limit its use to these products! Heavy-Duty Spray Adhesive is a fast-drying, quick-bonding, high temperature contact adhesive. Use it wherever you need a secure, long-lasting, easy-to-apply bond.