Armacell - AP Armaflex Mold resistant Insulation Tape is made of high-quality AP Armaflex Insulation, an elastomeric thermal insulation material. The self adhering tape is supplied in convenient strip form, 2 (50mm) wide, 30 (9.1m) long, and 1/8 (3mm) thick. No bands, wires, or additional adhesive needed. Available in standard cartons and tape dispensers. The expanded closed-cell structure of Armaflex makes it an efficient insulation. It is manufactured without the use of CFC's, HFC's or HCFC's. It is also formaldehyde free, low VOCs, fiber free, dust free and resists mold and mildew. It is also made with Microban® antimicrobial product protection.