The Insultherm Ultraflexx Pro sleeve with heavy wall fiberglass, protects up to 1200°F, expands up to 50% for easy installation. The heavy wall construction, large available diameters and high expandability of Ultraflexx PRO provides a high level of protection and ease of installation when used to insulate pipes and hoses subject to abrasion and vibration. Ultraflexx Pro cuts easily with scissors and special heat treated construction minimizes fraying and dusting during assembly. Increased wall thickness adds value to insulation. Ultraflexx is available in natural.