Designed and tooled to perfection for the chimney professional, the DuraTech Chimney System sets a new standard in quality, design, and performance.Fuel Type: Coal, Gas, Oil, Wood Inner Wall: 430 Stainless, 0.020 Thick Insulation: Thermal Tech Blanket Joint Connection Overlap: 1-1 2 Joint Connection Type: Twist-Lock standard on all diameters Material: Galvanized Steel Maximum Temperature Rating: Rated for continuous use at 1000 degree, intermittent use at 2100 degree Outer Wall: 430 G-90 Galvanized Steel, 0.016 Thick, or 0.021 Galvalume Steel Pipe Class: Class A Pipe Inside Diameter: 6 Pipe Shape: Round Style: Functional This product requires: 2 air clearance to combustibles for all diameters UL Listed: 103HT, 103 UL Listed: Yes Vent Construction: Double Wall Weight: 1
