BOSS® 400 COLORS Siding Window & Metal Roof Sealant

A VOC Compliant, AAMA rated, one-part, neutral curing, sealant formulated for the siding and window market. It offers primerless adhesion to vinyl, Kynar 500®, wood, aluminum, brick, concrete and fiber cement. For use as a perimeter weatherseal for field glazing and window installation and as a primary backbedding compound. Cures in the presence of moisture to provide excellent resistance to cold, rain, ozone, heat and sunlight.

  • Matches 40+ siding manufacturers’ colors and is available in 400+ colors
  • 4 inch nozzle for hard to reach areas
  • Easy to gun and tool in temperature ranges of -35°F to 140°F
  • Heated storage not required
  • Will not crack or yellow
  • Permanently flexible
  • Bonds and seals, siding-windows-fiber cement-concrete-brick

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