This Universal Shielding Insulation can be used with the Support Box, Attic Insulation Shield and Insulated Wall Thimble. It protects building materials against the heat from the chimney and will help maintain the temperature in the chimney.
Made for safety, Selkirk chimneys are packed with 1" of premium fiber insulation, ensuring a 100% fill. This superior insulation will maintain higher internal flue temperatures, enhancing draft and efficiency. Low temperatures are maintained on the outer casing, allowing installation as close as 2" from combustible materials.