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Phenolic Pre-Insulated Ductwork

Phenolic Pre-Insulated Duct Panels UL 181 Listed are engineered for superior performance in HVAC systems. These panels consist of a rigid phenolic foam core, free from CFCs and HCFCs, with zero Ozone Depletion Potential (ODP). Each panel is bonded on both sides to 80-micron low vapor permeability aluminum foil facings, ensuring durability and efficiency.​

Key Features:
Thermal Efficiency: Low thermal conductivity ranging from 0.033 to 0.027 W/m·K, providing excellent insulation.
Fire Safety: Non-combustible with Class “0” rating, adhering to BS 476 Part 6 & 8 standards UL 181 Listed.​
Structural Integrity: High compressive strength between 300 Kpa – 350 Kpa.​
Moisture Resistance: Minimal water absorption at 0.25%, enhancing longevity.​
Environmental Commitment: Manufactured without CFCs/HCFCs, contributing to a greener environment.​

Technical Specifications:
Density: 65-70 Kg/m³ (ASTM D1622:03 / BS EN 1602:1997)​
Thermal Conductivity: 0.033 to 0.027 W/m·K (ASTM C518:2004)
Compressive Strength: 300 Kpa – 350 Kpa (ASTM 165:2007)​
Combustibility: Non-Combustible Class “0” (BS 476 Part 6 & 8)​
Water Absorption: 0.25% (ASTM C209:1998)​
Smoke Density: ≤15 (ASTM E84/UL723)​
Dimension Stability: 0.3% (ASTM D2126-09)​
Operating Temperature Range: -20°C to 80°C​
Available Thicknesses: 20mm and 30mm

Rectangular G.I Ductwork

Durable galvanized steel ductwork designed for high-efficiency air distribution in HVAC systems. Fabricated to international standards including DW144, SMACNA, and ASHRAE.

Technical Specifications:
Material: Galvanized steel (lock-forming quality)
Standards: DW144 / SMACNA / ASHRAE
Sizes: Custom-made per project
Available Options: Galvanized Steel & Stainless steel
Accessories: Flanges, raw ends, airtight clamps

Applications: HVAC and industrial ventilation in commercial, residential, and institutional buildings.


Benefits: High structural strength, efficient air delivery, customizable configurations.

Contact Us

Have questions or need assistance? We’re here to help! Reach out to our friendly team for expert advice, support, or to get started with your HVAC needs. Whether you’re looking for a quote, installation guidance, or product recommendations, we’re just a message or call away. Contact us today!

  • info@ecoflowhvac.com
  • Dammam Industrial Area 2, Saudi Arabia