Insulated Galvanized Steel Spiral Duct 15mm Rubber-Foam Insulation with Aluminum Foil Jacket for Fresh Air HVAC Ventilation System OEM

Insulated Galvanised Steel Spiral Duct — 15mm Rubber-Foam Insulation with Aluminium Foil Jacket

An insulated galvanised steel spiral duct for fresh air and HVAC ventilation. A 275 galvanised steel inner duct carries the air, a 15 mm rubber-plastic foam layer provides thermal insulation and the aluminium foil outer jacket seals it as a vapour barrier. Standard sizes run from D80 to D400 and each length is 2 metres.

Key Features

• 275 galvanised steel inner duct — a strong, corrosion-resistant spiral tube
• 15 mm rubber-plastic foam insulation — thermal performance with acoustic benefit
• Aluminium foil outer jacket — a vapour barrier against condensation
• Standard sizes D80 to D400 — covers domestic and light commercial systems
• 2 m per piece — practical for site handling and installation

Technical Specifications

Typical Applications

• Insulated supply and exhaust ductwork in fresh air systems
• Runs passing through unconditioned spaces or cold voids
• Commercial and residential HVAC ventilation installations

System Matching

Pairs with our 275 galvanised spiral duct with 15 mm insulation and matching galvanised stamped elbow segments for changes of direction.

FAQ

Q: How thick is the insulation layer?
A: 15 mm rubber-plastic foam, as listed in the specification table.

Q: Which diameters are standard?
A: D80, 100, 125, 150, 160, 175, 200, 250, 300, 350 and 400 mm, as listed in the specification table.

Q: How long is each piece?
A: 2 metres per piece.