This flashing is to be used with twin wall insulated pipe and is used when a twin wall flue pipe passes through a flat, corrugated or plastix roof. resistance of 260°C and continuous temp. For example, if you had a 6" twin wall flue pipe which is 8" externally and your roof pitch is around 30 degrees, the best one to go for would be 4-3/4" - 10", or if you really want to be on the safe side you could also use the 5-1/2" - 11-1/2".

Temperature: High Temperature
Flashing Size: 3"-6" Pipe
Compatible Brand: Universal
Construction: Single Wall
Custom Bundle: No
Item Diameter: Various
Material: Stainless Steel & Rubber
Item Length: Various
Colour: Black/Grey
Fuel Type: Solid Fuels, Gas & Oil
Brand: Aztec
Type: Roof Flashing
Number in Pack: 1
Model: Various
Country/Region of Manufacture: United Kingdom
Application: Chimney
Item Width: Various
Item Weight: Various