BDM Insul-Flue 7" Wall Unit h13.7 Listings/Standards International Building Code

Listings/Standards International Building Code

and multi-color

Each lava rock measures approximately 1/8-inch to 1/4-inch with a total bag weight of 50 pounds

and masonry fireplaces

BDM Insul-Flue 7" Wall Unit h13.7 Listings/Standards International Building CodeInsul 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 pipes. Specifications Model 80010700 Size 7"