HVAC Duct Board Series
HVAC Duct Board Series
GB Duct, professional specialist in HVAC ventilation system, offers premium phenolic, PIR, PU and fiberglass duct panels with full customized support.
![Premium Fiberglass Duct Board | UL 181 Certified | Factory Direct Price]( "Premium Fiberglass Duct Board | UL 181 Certified | Factory Direct Price")
Premium Fiberglass Duct Board | UL 181 Certified | Factory Direct PriceFormaldehyde-Free, Mold-Resistant & Energy-Efficient HVAC Duct Solution
Cut Installation Time by 40% & Reduce Energy Loss by Up to 30%
✅ UL 181 Class 1 Fire Rated
✅ Formaldehyde-Free ECOSE Technology
✅ 3lb High Density for Superior Rigidity
✅ 72-Hour Fast Sample DeliveryLearn More >>![Pre-insulated PU Duct Board | 30% Energy Saving & 50% Faster Installation | CE/FM Certified]( "Pre-insulated PU Duct Board | 30% Energy Saving & 50% Faster Installation | CE/FM Certified")
Pre-insulated PU Duct Board | 30% Energy Saving & 50% Faster Installation | CE/FM CertifiedThe ultimate HVAC duct solution that cuts your material cost by 20%, installation time by 50% and energy consumption by 30%.
No more condensation, no more fire risks, no more high maintenance costs.
✅ Class A/B1 Fire Rating: Meets EN 13501-1, ASTM E84 standards, zero flame spread
✅ Superior Thermal Insulation: λ≤0.022W/(m·K) at 25℃, eliminates energy loss
✅ Lightweight & Easy Installation: 1/5 the weight of galvanized steel duct, no heavy equipment required
✅ Moisture & Corrosion Resistant: Closed-cell structure, 100% waterproof, never rustsLearn More >>![PIR Duct Board | High-Performance Insulated Duct Panels for HVAC Systems]( "PIR Duct Board | High-Performance Insulated Duct Panels for HVAC Systems")
PIR Duct Board | High-Performance Insulated Duct Panels for HVAC SystemsOur PIR (Polyisocyanurate) duct boards provide superior thermal insulation, excellent fire resistance and fast installation, significantly reducing your project's construction time and long-term operating costs.
Available in standard and custom sizes, compliant with CE, ASTM E84 and FM 4880 standards, trusted by 500+ HVAC contractors worldwide.
✅ Thermal Conductivity ≤0.022 W/(m·K)
✅ Class A Fire Rated
✅ 50+ Years Service Life
✅ Fast On-Site FabricationLearn More >>![25mm/30mm Phenolic Foam Duct Board | Class A Fire Rated for Commercial HVAC Systems]( "25mm/30mm Phenolic Foam Duct Board | Class A Fire Rated for Commercial HVAC Systems")
25mm/30mm Phenolic Foam Duct Board | Class A Fire Rated for Commercial HVAC SystemsOur phenolic insulation duct panels offer superior thermal performance, excellent fire resistance and lightweight design, ideal for hospitals, laboratories, shopping malls and industrial plants.
✅ Superior Thermal Efficiency · 0.020 W/m·K Ultra-Low Conductivity
✅ Fire-Safe & Self-Extinguishing · B1 Fire-Rated, Low Smoke, Zero Toxic
✅ 100% Waterproof & Hygienic · Closed-Cell, Zero Fiber, Anti-Microbial
✅ Built to Last 50 Years · Double-Sided Embossed Aluminum, High Compressive Strength
✅ Whisper-Quiet Operation · Built-in Acoustic Insulation, No Extra LaggingLearn More >>
GB Ductwork System Key Components
The GB Duct System is a globally leading, innovative solution for pre-insulated HVAC air ductwork. Boasting easy installation and minimal maintenance, it sets a new benchmark in air distribution technology.
Beyond premium pre-insulated aluminum panels, GB provides a complete one-stop system: precision accessories, specialized machinery, custom tools and professional technical support — ensuring perfect fabrication and hassle-free installation.
• 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
GB DUCT | HVAC & Fire Smoke Exhaust Duct Specialist, Since 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 own 10 modern automatic production lines with an annual output capacity of 300,000 square meters, guaranteeing stable quality and on-time delivery even for bulk 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.
Get a Free Quote