Aluminium Invisible Flange

• Extruded aluminium profile designed for concealed duct jointing
• Creates a flush, invisible connection between PI-Duct panels
• Compatible with 20mm, 25mm, and 30mm pre-insulated duct thicknesses
• Provides a continuous airtight seal along the full joint length
• High rigidity — maintains duct geometry under positive and negative pressure
• Lightweight aluminium alloy — corrosion resistant in humid environments
• Standard lengths: 1.2m and 2.4m; custom lengths on request
• Used in conjunction with corner plates and PIR adhesive for complete assembly