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Silicone Roof Coating

HarcoSil silicone roof coating is a high performing protective barrier for a variety of architectural surfaces and roofing substrates. As a standalone system upon cure, HarcoSil silicone roof coatings forms a durable, breathable and weatherproof roofing membrane that is highly resistant to degradation from UV and natural weathering. Cured silicone rubber exhibits excellent long-term resistance to natural weathering including: extreme temperatures, ultraviolet radiation, rain and snow.


When used in conjunction with the Wetsuit® membrane system the combination becomes virtually non-permeable and has tremendous ponding water resistance. The system should include the bleed blocking Reflex™ base coat as a tie coat between the Wetsuit® membrane and the HarcoSil to ensure the brightest topcoat finish.

Leed certification
Roof Coatings
US patent