Allowable Flue Gas Temperatures 
Max Continuous 650°C (1200°F) 
Brief Forced Firing 925°C (1700°F)
Tested To 1150°C (2100°F)

Clearance to Combustible Materials
2" clearance except in areas protected by factory-built supports certified for reduced clearance. EXCEL round and square supports permit the chimney to be installed with approximately 1 inch of clearance - in the area shielded by the support.

Construction
Flue: .016" stainless steel
Casing: .016" stainless steel
Seam: Interior and exterior seams are continuous
seam welded
Insulation: Thermoplus continuous blanket
Wall thickness: 1"
Paint: All black EXCEL components are painted
with Forrest “Stove Bright” flat black paint

The radiation shield protects combustible framing in the floor or ceiling adjacent to the chimney and also acts as a firestop spacer.  When the chimney passes through the radiation shield into an insulated space a universal storm collar must also be installed to prevent the entry of insulation.

* 8" Diameter is Special Order.  No returns on special order items. *