Used to ensure water tightness in the passage through the roof. It also protects the flashing from extreme weather conditions. It should be installed about 25mm above the tallest part of the flashing.
High quality, multifuel, stainless steel twin wall chimney system designed for use with all solid fuel appliances.
Tested to a maximum operating temperature of 600 degrees C and it comes with a 25 year warranty
For use on solid fuel and gas/oil appliances. eg: woodstoves, gas coal effect fires, oil and gas boiler and any solid fuel appliances.
Outer skin is made from 304 grade stainless steel and is 0.4mm thick. Inner skin is made from 316 grade stainless steel and is 0.4mm thick.
Insulation is compressed rockwool giving a density of 200kg/m3 TWPro / 128Kg/m3.
All parts are fully welded.
Distance to combustibles is 50mm
TWPro is HETAS Approved and is UKCA marked.
TWPro EN1856-1 T600 N1 W V2 L50040 G50.
TWPro EN1856-1 T200 W V2 L50040 O20.
25 Year Conditional Warranty on product
2 years on paint finish
TWPro Twin Wall Insulated Chimney parts are secured together by using a Locking Band.
Make sure that you keep the required distance from the outside of the flue to any combustible material (wood, plaster board).