Why Choose the Storm Collar TWPro?

Manufactured from 304 grade stainless steel (outer) and 316 grade stainless steel (inner), both 0.4mm thick, this fully welded collar is finished in black for a discreet, professional look. HETAS approved and UKCA marked, it’s tested to 600°C and comes with a 25-year warranty. Suitable for all solid fuel, gas, and oil appliances, and compatible with TWPro twin wall flue systems.

Key Features

Water Tightness: Ensures a watertight seal at the roof
Flashing Protection: Shields flashing from severe weather
Easy Installation: Fit 25mm above flashing, seal with silicone
Durable Construction: 304/316 stainless steel, fully welded, black finish
Certified & Approved: HETAS approved, UKCA marked, EN1856-1 compliant
High Temperature Resistance: Safe up to 600°C
Warranty: 25 years (conditional), 2 years on paint
System: For use with TWPro Twin Wall Flue parts only

Product Specifications

Type: Storm Collar
Internal Diameter: 6 inch (150mm)
External Diameter: 8 inch (200mm)
Material: 304 Stainless Steel (outer), 316 Stainless Steel (inner), 0.4mm thick
Finish: Black
Approvals: HETAS, UKCA, EN1856-1
Warranty: 25 years (conditional), 2 years paint
Installation Tip:
Install the storm collar about 25mm above the highest part of the flashing. Run a bead of silicone around the top edge and the flue for a complete seal.

Additional Information

FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.

For more storm collars and twin wall flue accessories, visit modernstoves.co.uk.