Selkirk 8 in. D Galvanized Steel Wall Thimble

The insulated wall thimble installs quickly and eliminates the need for using individual fire stops. Interior plate has black matte finish. The round shielding acts as a radiation shield and provides the required 2 inch airspace clearance to combustibles.

• • Assembled with the positive joint coupler, the safest and most secure locking system in the industry, ultra-temp and galva-temp chimney sections twist together with a 1/8 turn
• • A locking band ensures system integrity and strength for the life of the chimney
• • This superior insulation maintains higher internal flue temperatures, enhancing draft and efficiency
• • Low temperatures are maintained on the outer casing, allowing installation as close as 2 inch from combustible materials
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