OSI HM270 Clear 000 Silicone Construction Sealant 10-Fluid Ounce Cartridge, Case of 12

★★★★★ 4.5 42 reviews

US$36.00
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by help.docurex.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$36.00
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Jun 8
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by help.docurex.com
Free 30-day returns Details

Product details

Management number 215645148 Release Date 2026/04/12 List Price US$36.00 Model Number 215645148
Category

The OSI HM270 Construction Silicone Sealant is a one-part RTV sealant designed for sealing and glazing. It cures at room temperature upon exposure to moisture in the air providing good tensile strength and excellent adhesion, usually without the use of a primer, to most nonporous building materials. OSI HM270 easily withstands temperature extremes from -60°F to 400°F without adverse effects. This sealant from OSI will work with sealing skylights, solar panels, ventilators, aluminum siding and windows, heating/air conditioning units, duct work, recreational vehicles, and other glass, plastic or metal assemblies. Features Designed for glass, metal, and plastic Water resistant Skins in less than 10 minutes, and is tack free in 25 minutes Very flexible with up to 25% joint movement Extrudes in any weather condition, making it a great year round caulk

  • Ideal for sealing gaps and cracks found on the interior of the home
  • Works well along baseboards, floors, wall to floor joints, around window and door frames, ceiling to wall joints and any other crack or gaps found in and around the home
  • Works well on vinyl; aluminum and fiber cement siding, brick, concrete, metal and most common building materials
Color clear
Item Form Liquid
Brand Name OSI
Unit Count 120 Fluid Ounces
Item Weight 10 Ounces
Manufacturer OSI
Liquid Volume 10 Fluid Ounces
Material Type Silicone
Full Cure Time 25 Minutes
Initial Hardening Time 10 Minutes
Surface Recommendation Window,Door
Water Resistance Level Water Resistant

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.5 out of 5
★★★★★
42 ratings | 17 reviews
How item rating is calculated
View all reviews
5 stars
83% (35)
4 stars
4% (2)
3 stars
2% (1)
2 stars
1% (0)
1 star
10% (4)
Sort by

There are currently no written reviews for this product.