The Shieldmaster 250-350mm is an adjustable length of twin wall pipe that is best utilized to pass the system through an external wall. This component has a locking band that you can use to quickly and easily connect it to the previous Shieldmaster part and additional insulation.

You won’t require any additional sealants or silicone to seal all the joints. It has a unique push-fit locking system to make connection and disconnection very simple. The quoted diameter is the internal diameter and the surrounding insulation makes it 2” larger.

• Distance to Combustibles: 60mm
• Brand: Shieldmaster
• Warranty: 25 Years
• Finish: Stainless
• Internal Diameter: 150mm
• External Diameter: 200mm

• Effective Length: 200mm-300mm
• Connections: 50mm Push Fit (Locking Band included)
• Grade of Steel: 316 Internal, 304 External
• Thickness of Steel: 0.5mm
• Insulation: 25mm Compressed Rockwool
• Temperature Resistance: 450°C
• Approvals: HETAS ANC112, BS 476-20, CE, EN 1856-1:2009
• Designation No: EN:1856-1 T450 N1 D VM L50050 G60