Specifically formulated for sealing direct vent appliances, this black latex sealant maintains flexibility while withstanding extreme temperatures. Creates airtight seals around chimney liners, fireplace inserts, and vent pipes.

• Black latex formulation for direct vent appliances
• Withstands temperatures up to 800 deg F
• Acid resistant formula
• Remains flexible after curing to accommodate thermal expansion
• 10.3 oz cartridge fits standard caulk gun
• Color: Black

Tip: Apply to clean, dry surfaces and allow to cure fully before exposing to high heat.