Overview
Aluminum foil composite duct board is a sandwich-structured material consisting of aluminum foil laminated to a polymer core, often reinforced with fiberglass for added strength. It is designed for HVAC (Heating, Ventilation, and Air Conditioning) systems, offering a lightweight yet durable alternative to traditional metal ductwork. The material's layered construction provides superior thermal insulation and reduces condensation, making it ideal for temperature-controlled environments. Its flexibility and ease of fabrication allow for customized duct shapes, streamlining installation in commercial and industrial settings.
Structure and Working Principle
The duct board typically features a three-layer design: an outer aluminum foil layer for reflectivity and moisture resistance, a middle polymer foam or fiberglass layer for insulation, and an inner foil or scrim layer for structural integrity. The aluminum foil reflects radiant heat, while the core minimizes conductive heat transfer. When used in duct systems, the board's airtight seams (achieved via specialized tapes or adhesives) ensure efficient airflow with minimal energy loss. Its lightweight nature reduces load on support structures compared to sheet metal ducts.
Key Features
Fire resistance is a critical feature, with high-quality boards meeting ASTM E84 Class A or B standards for flame spread and smoke development. The aluminum foil surface also acts as a vapor barrier, preventing moisture buildup and mold growth. Additional advantages include noise reduction due to the material's sound-absorbing properties and corrosion resistance, as the foil layer protects against chemical exposure. Customizable thickness (6–25 mm) allows balancing insulation performance with spatial constraints.
Application Areas
Primarily used in commercial HVAC systems, these duct boards are found in offices, hospitals, data centers, and cleanrooms where precise temperature control is essential. They are also employed in industrial exhaust systems and residential air conditioning where noise reduction is prioritized. In retrofit projects, the boards are favored for their ease of modification compared to rigid metal ducts. Specialty variants with antimicrobial coatings are used in healthcare facilities to maintain sterile environments.
Maintenance and Precautions
Routine inspections should focus on joint integrity and surface damage. Small tears in the foil can be repaired with aluminum tape to maintain insulation efficiency. Avoid using abrasive cleaners that could compromise the foil layer. During installation, wear protective gear to handle fiberglass-reinforced variants. Ensure compliance with local fire codes, particularly for plenum-rated applications where smoke toxicity regulations apply. Store boards flat to prevent warping before use.
B2B Procurement Guide
When sourcing aluminum foil composite duct boards, verify certifications like UL 181 for air duct materials and ASTM E84 for fire safety. Bulk orders (e.g., pallets of 50–100 boards) often qualify for discounts of 10–20% from suppliers. Key procurement metrics include R-value (insulation efficiency), weight per square meter, and foil thickness (typically 25–50 microns). Partner with manufacturers offering CNC cutting services to reduce on-site waste. Lead times vary from 1–4 weeks depending on customization requirements.
Related Manufacturers
- 主营：屋顶风机、球形喷口、通风设备、板式排烟口、碳钢通风管道、旋流风口、混流风机、空调机组、通风换气机、柜式离心风机箱、消防通风排烟阀、家用新风换气机、轴流风机、防火阀、消防排烟风机、风机、轴流通风机、管道轴流风机、轴流式排烟风机、70度防火阀、280度防火阀、排烟防火阀
- 主营：玻璃棉、防排烟玻璃棉、岩棉管、岩棉保温板、防排烟岩棉板、玻璃棉板、带铝箔玻璃棉板、带铝箔卷毡、岩棉板、橡塑板、铝板、带铝箔无甲醛玻璃棉、橡塑保温板、聚酯纤维吸音板、外墙岩棉板、带铝箔硅酸铝卷毡、玻璃棉卷毡、硅酸铝针刺毯、玻璃棉管、硅酸铝管、硅酸铝卷毡、防排烟岩棉、防火包裹材料、橡塑保温材料、依索维尔玻璃棉
- 主营：通风管道、不锈钢风管、螺旋风管、角铁法兰风管、共板法兰风管
- 主营：橡塑管、硅酸铝、玻璃棉、保温板、岩棉板、橡塑板、保温管板、保温棉板、橡塑棉板、发泡板材、橡塑发泡板、橡塑隔热板、保温复合板、复合板外墙、保温外墙板、复合板岩棉、橡塑保温、橡塑海绵、外墙保温、保温材料、保温岩棉
- 主营：防风管、防火风管、超市风管、食堂风管、通风风管、厂房风管、净化风管、螺旋风管、定制风管、新风风管、除尘风管、焊接风管、管道风管、不锈钢风管、防排烟风管、镀锌板风管、碳钢焊接、人防焊接、环境设备
- 主营：橡塑管、隔音棉、硅酸盐、酚醛板、聚苯板、岩棉板、匀质板、防火板、真金板、橡塑板、一体板、挤塑板、隔气膜、玻璃棉、隔热棉、钢结构、透气膜、岩棉条、免拆外、岩棉管、聚氨酯、pvc彩壳、保温被、工程管、stp真空
- 主营：耐火3小时硅酸盐防火、9mm纤维增强硅酸盐、耐火3小时纤维增强硅、水泥纤维集装箱地板、维增强硅酸盐防火板、耐火硅酸盐防火板、耐火1时硅酸盐防火板、耐火2小时硅酸盐板、9mm防火墙板耐火板、12mm防火板硅酸盐、12mm防火墙板、纤维状水泥色硅酸盐板、防爆板、抗爆板、耐火防火防爆板、轻质抗爆墙板、耐用钢防爆板、水泥纤维防爆板、纤维水泥复合钢板、镀锌钢防火防爆板、不锈钢防爆板、高密度防爆板、抗爆墙板、防爆吊顶板、硅酸钙防火耐火3-4
- 主营：排烟管、排风设备、工业排风、防火板、抗腐风管、共板风管、镀锌风管、空调风管、法兰风管、焊接风管、通风管道、螺旋风管、矩形风管、净化风管、排烟风管、圆形风管、连接风管、耐腐蚀风管、耐高温风管、白铁皮风管、通风设备、角铁法兰、角钢法兰、工业通风、不锈钢法兰
- 主营：高温玻璃棉毡、气凝胶涂料、气凝胶保温涂料、酚醛板、隧道酚醛板、岩棉板、复合岩棉板、复合岩棉保温板、岩棉复合板外墙保温、外墙岩棉保温板、PF改性酚醛保温板、双面铝箔酚醛板、防火酚醛泡沫保温板、玄武岩棉板、防水背衬板、XPS复合背衬板、防潮衬板、瓷砖背衬板、气凝胶隔热涂料
- 主营：消声器、静压箱、排烟风机、不锈钢风管、镀锌风管、共板风管、角铁风管、排烟风管、风管、防火阀、调节阀、风机、风机盘管、风机箱、管道风机、空气幕、风幕机
- 主营：橡塑管、玻璃丝棉、硅酸铝、橡塑板、岩棉卷、白乳胶、不锈钢线绕滤芯、纳米气凝胶、消泡剂、滤芯、反渗透阻垢剂、热缩带、防火涂料、防火材料、硅酸铝针刺毯、一站式保温生产销售加工
- 主营：钢面镁质复合风管、无机硅晶复合风管、装配式一体化复合风管、漂珠复合风管、钢面镁质风管、钢面镁质防排烟风管
- 主营：保温装饰一体板、外墙岩棉板、岩棉复合板、复合硅酸盐板、电梯井吸音板、钢网岩棉板、外墙装饰一体板、电梯井保温板、砂浆纸岩棉板、聚氨酯岩棉复合板、增强岩棉复合板、复合玻璃棉保温板、硅酸盐保温板、水泥砂浆岩棉板
- 主营：酚醛彩钢风管、复合风管、彩钢风管、玻镁风管、排气风管、风管安装、风管法兰、聚氨酯风管
- 主营：橡塑管、橡塑保温管、橡塑海绵管、橡塑板、橡塑海绵板、橡塑保温板、玻璃棉板、玻璃棉保温板、岩棉板、防排烟玻璃棉板、橡塑保温棉、玻璃棉卷毡