Hvac pre-insulated XPS air duct panel 20mm 

Phenolic foam Insulation Board the only material that can provide this unique range of benefits and is used in a variety of applications: HVAC Ducting, Building and Construction(roofing,cavity board, external wall board,plasterboard dry lining systems,wall insulation, floor insulation and as a sarking board),Factory Engineered Composite Panels, fire doors, highly fire resistant panels.  

Phenolic foam is a very versatile material suitable for a large range of applications where thermal performance, moisture resistance, fire performance and in certain cases structural strength are key performance criteria.

Greenfoam Phenolic Foam Insulation Board comprises premium performance rigid phenolic foam faced on both sides or one side with aluminum foil,glass tissue,kraft paper, or no facing,etc.

Advantages of phenolic foam insulation board  
1) Close cell insulation material, high thermal performance
2) Fire-resistant (BS476 Part 6&7 Class 0, with approved and audited test report)
3) Moisture resistance with low water vapour permeance & low water absorption
4) Light weight but with an excellent structucral strength
5) Environmental Friendly material, CFC & HCFC Free