OctaGuard XT Weathering Package Product Page

Carlisles Sure-Weld® and Spectro-Weld TPO membranes are outfitted with the high-performance OctaGuard XT Weathering Package, a unique combination of eight performance-enhancing ingredients that help protect Carlisles TPO membranes from damage caused by heat and UV. With an OctaGuard-enhanced, Carlisle TPO membrane you get a whiter, more reflective and longer-lasting roof system that will provide years of unmatched reflectivity, performance and protection.

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OctaGuard XT Weathering Package Documents

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Press Release: Carlisle Introduces Improved SAT (Self-Adhering Technolgy) TPO Membrane

New formulation provides superior resistance to unwanted bunching of the membrane, as well as excellent adhesion. Tests confirm that Carlisle’s SAT TPO helps reduce labor costs by up to 80% compared to traditional fully adhered TPO installations.

Press Release: ASTM Revises Standard TPO Membrane Specification

ASTM revised standard D6878 for thermoplastic polyolefin-based sheet roofing membrane to increase the severity of heat aging requirements as well as minimum thickness over scrim requirements. The new standard is designated D6878-11a.