INSUL-FLUE® is used to reduce the danger of radiant heat from smoke pipe, flue pipe, gas vents, etc.
Insul Flue® provides security and protection for thru-the-wall stovepipe installations. Insul Flue® actually protects the wall on both sides when the chimney is not adjacent to the house wall. Insul Flue® reduces the minimum 18” clearance specified by NFPA standard to 2”. This unique system can be used with both single wall and double wall connector pipe.
Thimble is 13" outside diameter and 8" long.