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DuraVent Type B Vent

4" Type B Gas Vent Galvalume Tall Cone Roof Flashing for Flat Roofs - 4GVFF

Item: COP68439
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In Stock

  • For Category 1 gas appliances
  • 1" clearance to combustibles
  • Easy-fit, twist-lock design with no fitting hassles
  • 0.012" aluminum inner
  • 0.018" galvanized outer

This roof flashing is used to weatherproof the penetration of vent pipe through the roof. Storm Collar required. Use on flat roofs, chase enclosures, or masonry chimney.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Limited Lifetime Warranty