BOSS® 816 Intumescent Firestop sealant

UL Classified. An intumescent sealant with excellent resistance to vibration. Designed for penetration sealing around pipes, ducts, vents, conduits, joints, wires and cables.

  • Excellent adhesion, mildew resistant
  • Intumesces rapidly to close off voids caused by heat or fire
  • VOC compliant
  • Paintable (after inspection)

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