Exterior Wall Insulation Boards
Exterior Wall Insulation Boards
GB Duct, professional pioneer of exterior wall thermal insulation fireproof system, specializes in phenolic and polyurethane exterior wall fireproof boards, supporting exclusive customized production as required.
![Fire Rated Polyurethane (PU) Exterior Wall Insulation Panels | High R-Value & Class A Fire Resistance]( "Fire Rated Polyurethane (PU) Exterior Wall Insulation Panels | High R-Value & Class A Fire Resistance")
Fire Rated Polyurethane (PU) Exterior Wall Insulation Panels | High R-Value & Class A Fire ResistanceOne-stop solution for energy-efficient, fire-safe and durable building envelopes. Reduce your construction time by 50% and energy costs by up to 40%.
🔥 Class A Fire Rating：Complies with EN 13501-1, ASTM E84 standards
❄️ Superior Thermal Insulation：λ ≤ 0.024 W/(m·K), highest R-value per inch
⚡ Fast Installation：Interlocking design, no wet work, all-weather construction
♻️ Long Service Life：50+ years durability, moisture-proof, anti-corrosionLearn More >>![Phenolic Exterior Wall Fire Insulation Board | Class A1 Fire Rated | High Thermal Efficiency | For Commercial & Residential Buildings]( "Phenolic Exterior Wall Fire Insulation Board | Class A1 Fire Rated | High Thermal Efficiency | For Commercial & Residential Buildings")
Phenolic Exterior Wall Fire Insulation Board | Class A1 Fire Rated | High Thermal Efficiency | For Commercial & Residential BuildingsNon-combustible, energy-saving, and durable insulation solution that meets the strictest global fire safety standards. Reduce energy costs by up to 40% while ensuring maximum building protection.
✅ Class A1 Non-Combustible - Highest fire safety rating, zero flame spread
✅ Ultra-Low Thermal Conductivity - λ ≤ 0.022 W/(m·K) at 25°C
✅ Water & Moisture Resistant - Closed-cell structure, prevents mold growth
✅ Eco-Friendly & Formaldehyde-Free - Low VOC, recyclable materialLearn More >>
GB Duct System: Key Components
• 1 pc Left 45° Cutter
• 1 pc Right 45° Cutter
• 1 pc 90° Straight Cutter
• 1 pc 45° Edge Side Cutter
• 2 pcs Tape Measure
• 1 pc 3mm Hex Wrench
• 1 pc 5mm Hex Wrench
• 1 pc Anti-rebound Rubber Hammer
• 50 pcs Spare Replacement Blades
• 2 pcs Plastic Scraper
• 1 pc Utility Knife
• 2 pcs Marking Pen
• 1 pc Adjustable Tape Marker
Why Choose Us
China's Largest HVAC Duct Board Factory | GB Duct, Established 1984
Rich Industry Experience
With over 40 years of experience in the HVAC industry, we have completed more than 10,000 projects worldwide.
Strong Production Capacity
We run 10 advanced automated production lines with a daily capacity of 30,000 sq.m, ensuring reliable quality and on-time delivery for large orders.
Professional Technical Team
Our experienced engineering team provides one-stop customized solutions and full-process professional technical support for all your project demands.
Competitive Factory Price
As a direct manufacturer without middlemen markup, we offer genuine factory direct prices, helping you save up to 20% cost compared with trading companies.
Comprehensive After-sales Service
We provide complete after-sales support, including on-site installation guidance, professional technical training and efficient problem solving anytime.
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