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Thermoplastic Polyolefin (TPO) is one of the fastest-growing commercial roofing solutions, known for its energy efficiency, durability, and weather resistance. Carlisle’s Sure-Weld® TPO membranes are ENERGY STAR®-qualified and CRRC-certified, helping reduce energy use and cooling costs in warm climates. Designed for new roofing and re-roofing applications, Sure-Weld TPO combines the flexibility of EP rubber with the heat-weldability of polypropylene. Enhanced with OctaGuard XT™ technology, it delivers superior weather protection against harsh climates and UV exposure. Reinforced with strong polyester fabric, Sure-Weld TPO offers excellent strength, puncture resistance, and watertight heat-welded seams for long-lasting performance. It is also environmentally friendly and safe to install.
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Exceptional Durability & Weather Resistance - Provides outstanding protection against heat, UV exposure, ozone, oxidation, impact, punctures, and low temperatures for long-lasting roof performance.
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Superior Chemical & Fire Resistance - Engineered to resist acids, bases, restaurant exhaust emissions, and fire exposure for enhanced safety and reliability.
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High-Performance Protection System - Manufactured with complete scrim encapsulation and enhanced with the OctaGuard XT weathering package for improved strength and durability.
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Sustainable & Environmentally Friendly - Made with a stable, eco-friendly formulation and is 100% recyclable, supporting sustainable building practices.
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Advanced APEEL Protective Film Technology - Features a protective film that guards against dirt and scuffs during installation while maintaining heat and UV resistance for up to 90 days.
Carlisle’s standard and HS TPO membranes are available in highly reflective white, tan, and gray, in both 45-mil and 60-mil thicknesses. 80-mil
Sure-Weld EXTRA (including HS) is also offered in white, gray, and tan colors.
Special color Sure-Weld TPO membranes are also available
(see Carlisle’s TPO Color Palette brochure). Carlisle’s TPO is offered in 4-, and 6-ft perimeter sheets and 8-, 10-, and 12-ft Sure-Weld field sheets. Sure-Weld HS and special color TPO membranes are available in limited sizes.