OSI® HM270 Construction Silicone Sealant

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OSI® HM270 Construction Silicone Sealant is a high-performance, one-part silicone sealant designed for demanding exterior and perimeter sealing applications. This UV-resistant, weatherproof sealant offers long-lasting flexibility and adhesion, making it ideal for use on windows, doors, masonry, and expansion joints in both residential and commercial construction.

Key Features & Benefits

Durable & Flexible: Remains permanently flexible after curing
Weatherproof Seal: Resists rain, wind, and harsh temperatures
UV-Resistant: Withstands prolonged exposure to sunlight
Wide Application: Suitable for concrete, masonry, windows, and doors
Paintable Surface: Compatible with most exterior paints after curing

Specifications

Product Name	OSI® HM270
Type	100% Silicone Sealant
Size	10.1 oz Cartridge
Color	Clear or White (varies)
Application Areas	Windows, Doors, Concrete, Masonry
Cure Time	24 Hours (Full Cure)

Choose OSI® HM270 for reliable, flexible, and weatherproof sealing on your next project. Order now and experience contractor-grade performance built to last.

OSI® HM270 Construction Silicone Sealant

OSI® HM270 Construction Silicone Sealant

Key Features & Benefits

Specifications

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