HM270 - Construction Silicone Sealant (24 Count)

Temperature extremes are no match for HM270 -- an acetoxy silicone that withstands harsh conditions from -76°F to 350°F without missing a beat. Designed for use on non-porous materials, its application possibilities include a variety of tough challenges: ceiling skylights, solar panels, duct work, aluminum siding, recreational vehicles and more. With 25% joint movement, it’s also permanently flexible.  Water resistant  Weatherproof Flexible Easy Extrusion in any weather Available in black, white and clear HM270 should not be painted. Documents & Downloads HM270 - Technical Data Sheet HM270 Clear - Safety Data Sheet HM270 White - Safety Data Sheet