Color

Clear

White

Size

10oz

Price

In stock
Backordered, shipping soon

30 Day Returns

Secure payments

Quantity

Frequently Bought Together

[{"id":43263477743811,"title":"Clear \/ 10oz","option1":"Clear","option2":"10oz","option3":null,"sku":"OSI-HM270-SIL-10OZ-CLR-1494045","requires_shipping":true,"taxable":true,"featured_image":{"id":42003846136003,"product_id":7840551141571,"position":2,"created_at":"2024-04-19T14:25:48-05:00","updated_at":"2024-04-19T14:25:52-05:00","alt":null,"width":2048,"height":2048,"src":"\/\/tilethis.com\/cdn\/shop\/files\/HM270Clear.png?v=1713554752","variant_ids":[43263477743811]},"available":false,"name":"OSI HM270 Construction Silicone Sealant - Clear \/ 10oz","public_title":"Clear \/ 10oz","options":["Clear","10oz"],"price":1005,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"028756977919","featured_media":{"alt":null,"id":34408908751043,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/tilethis.com\/cdn\/shop\/files\/HM270Clear.png?v=1713554752"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":43263477776579,"title":"White \/ 10oz","option1":"White","option2":"10oz","option3":null,"sku":"OSI-HM270-SIL-10OZ-WHT-1493960","requires_shipping":true,"taxable":true,"featured_image":{"id":42003846168771,"product_id":7840551141571,"position":3,"created_at":"2024-04-19T14:25:48-05:00","updated_at":"2024-04-19T14:25:52-05:00","alt":null,"width":2048,"height":2048,"src":"\/\/tilethis.com\/cdn\/shop\/files\/HM270White.png?v=1713554752","variant_ids":[43263477776579]},"available":true,"name":"OSI HM270 Construction Silicone Sealant - White \/ 10oz","public_title":"White \/ 10oz","options":["White","10oz"],"price":1005,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"028756977896","featured_media":{"alt":null,"id":34408908783811,"position":3,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/tilethis.com\/cdn\/shop\/files\/HM270White.png?v=1713554752"}},"requires_selling_plan":false,"selling_plan_allocations":[]}]

OSI HM270 Construction Silicone Sealant is a high-performance, medium modulus RTV silicone sealant engineered for glazing and sealing in demanding environments. This silicone sealant excels in extreme temperatures ranging from -76°F to 350°F, maintaining flexibility and durability under harsh conditions. Ideal for non-porous surfaces, it is perfect for sealing skylights, solar panels, duct work, aluminum siding, and more.

Key Features of OSI HM270 Construction Adhesive

Temperature Resilience: Withstands temperatures from -76°F to 350°F.
Flexibility: Permanently flexible with +/- 25% joint movement capability.
Water-Resistant: Provides a watertight and weatherproof seal.
Easy Application: Smooth extrusion in all weather conditions.
Durable Bond: Adheres well to glass, aluminum, ceramics, primed steel, and certain plastics.

Benefits of Using OSI HM270 Silicone Sealant

Versatile Use: Suitable for a variety of tough applications including window sealant and RTV silicone needs.
Long-Lasting Performance: Resistant to UV light and harsh environmental elements, ensuring long-term reliability.
No Primer Needed: Excellent adhesion typically without the need for a primer.

Recommended Applications for OSI HM270 Sealant

Glazing and Sealing: Perfect for structural and conventional type glazing, curtain wall sealing, and more.
Tough Environments: Ideal for silicone adhesive applications such as sealing skylights, solar panels, duct work, recreational vehicles, and aluminum siding.

Limitations of OSI HM270 Construction Silicone Sealant

Not for use with concrete, marble, brass, copper, oily woods, limestone, brick, lead surfaces, polyethylene, polypropylene, PTFE, continuous water immersion, horizontal joints requiring abrasion resistance, confined spaces, green or vulcanized rubber, potable water systems, reflective coatings on mirrors, and applications needing paint.

Coverage Information

Cartridge Size	Bead Size	Coverage
10 fl. oz. (295 mL)	1/4” (6 mm)	Approximately 31 ft. (9.5 m)
	3/8” (9.5 mm)	Approximately 14 ft. (4.2 m)

Experience the superior sealing power of OSI HM270 Construction Silicone Sealant. Order today for a durable, flexible, and reliable solution to your sealing needs!