Description
Structural Locking Band 6 Inch – Convesa KC, HETAS & CE Approved
The Structural Locking Band 6 inch (150mm internal diameter) is designed to provide additional support for free-standing twin wall chimney flue systems. Essential for secure assembly, this locking band ensures stability and safety in solid fuel, gas, and oil appliance installations.
Why Choose This Item?
Manufactured as part of the Convesa KC system, this locking band is made from premium materials including a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick. The insulation is compressed rockwool with a density of 128kg/m³, fully welded for strength and durability. The band helps maintain the structural integrity of your twin wall flue while ensuring compliance with safety standards.
Key Features
Supports Free-Standing Flues: Provides critical structural support
Premium Materials: 304 stainless steel outer, 316 stainless steel inner
High-Quality Insulation: Compressed rockwool, 128kg/m³ density
HETAS & CE Approved: Meets rigorous safety and quality standards
Safe Clearance: Maintain 60mm distance from combustibles
Designation: EN1856-1 T600 N1 D V2 L50040 G60
System: Convesa KC
Product Specifications
Diameter: 6 inch (150mm) internal
Outer Material: 304 stainless steel, 0.4mm thick
Inner Material: 316 stainless steel, 0.4mm thick
Insulation: Compressed rockwool, 128kg/m³
Approval: HETAS, CE
Application: Wood, oil, gas, low sulphur coal appliances
Installation Tips
Use the locking band to secure all KC Twin Wall insulated chimney parts together. Ensure a safe clearance of 60mm from combustibles like wood and plasterboard. Follow manufacturer guidelines for proper installation.
Additional Information
FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.
For more chimney support accessories, visit modernstoves.co.uk.
Need help or a free design/quotation? Call 0161 439 1400.




