Overview
Cement insulation board is a composite panel used in construction to provide thermal insulation while maintaining structural integrity. It typically consists of a cementitious outer layer bonded to an insulating core, such as expanded polystyrene (EPS) or mineral wool. The material addresses energy efficiency requirements in buildings, offering a balance between insulation performance and load-bearing capacity. Developed as an alternative to traditional insulation methods, these boards are favored for their ease of installation and multifunctional properties. They meet stringent fire safety standards due to cement's non-combustible nature, making them suitable for both residential and commercial projects.
Structure and Working Principle
The board's layered structure includes a high-density cement face for durability and an insulated core to minimize heat transfer. The cement layer resists impact and weathering, while the core material (e.g., EPS) traps air pockets to reduce thermal conductivity. Some designs incorporate fiberglass mesh for added tensile strength. During installation, the boards create a continuous thermal barrier, preventing heat loss or gain through walls or roofs. Their low thermal conductivity (typically 0.03–0.05 W/m·K) ensures compliance with modern energy codes. The cement layer also acts as a vapor barrier, reducing condensation risks in humid climates.
Key Features
Cement insulation boards excel in fire resistance, achieving Class A fire ratings due to their inorganic composition. They are impervious to mold and pests, unlike organic insulation materials. Their lightweight nature (approximately 10–20 kg/m²) simplifies handling and reduces structural load. Acoustic insulation is another benefit, with sound transmission class (STC) ratings often exceeding 45 dB. The boards are compatible with most cladding systems, including tiles and renders, and can be cut or drilled on-site without specialized tools. UV resistance ensures long-term performance in exterior applications.
Application Areas
Primary applications include exterior insulation and finish systems (EIFS), where they serve as a substrate for decorative coatings. They are also used in cavity wall constructions, roof insulation, and as firebreaks in steel-framed buildings. Industrial facilities employ them for thermal shielding around pipelines or equipment. In retrofit projects, the boards are adhesively bonded to existing walls to upgrade insulation without significant structural changes. Their dimensional stability (minimal shrinkage/expansion) makes them suitable for high-rise buildings and regions with temperature extremes.
Maintenance and Precautions
Cement insulation boards require minimal maintenance but should be inspected periodically for cracks or water ingress. Damaged sections can be patched with cement-based fillers. Avoid prolonged exposure to standing water, though short-term moisture exposure does not degrade performance. During installation, use gloves and masks to handle cut edges, as cement dust may irritate skin and lungs. Adhesives and mechanical fasteners must be compatible with both the board and substrate. Follow manufacturer guidelines for joint treatment to prevent thermal bridging.
B2B Procurement Guide
Bulk buyers should verify certifications like ASTM C1325 or EN 12467 for quality assurance. Core material choice (EPS vs. mineral wool) affects cost and performance—EPS is cheaper but less fire-resistant. Thickness options range from 20 mm to 100 mm, with R-values scaling proportionally. Leading manufacturers include Knauf, Kingspan, and local suppliers in construction hubs. MOQs typically start at 500 m², with discounts for full-container orders. Request samples to test compatibility with intended finishes. Logistics planning is crucial due to the boards' size; palletized shipments reduce handling costs.
Related Manufacturers
- 主营：保温管、隔热材料、保温钢管、聚氨酯保温、复合保温板、聚氨酯复合板、聚氨酯喷涂
- 主营：硅酸盐铝箔包裹、玻璃棉、玻璃棉卷毡、岩棉板、吸音板、岩棉复合板、复合岩棉保温板、玻璃棉板、离心玻璃棉板、橡塑板、保温棉、外墙保温板、网织增强岩棉板、玻璃棉管、防火棉、防火黑棉、彩钢翻新漆
- 主营：栈桥板、网架板、屋面板、钢结构板、发泡混凝土墙板
- 主营：[]
- 主营：保温板、发泡陶瓷板、水泥发泡板、泡沫玻璃板、发泡陶瓷保温、陶瓷保温装饰板、隔离带、外墙装饰线条、建筑外墙屋顶
- 主营：聚氨酯保温板、聚氨酯板、保温结构一体板、免拆模一体板、岩棉免拆模板、岩棉免拆一体板、岩棉复合板、聚氨酯岩棉复合板、保温装饰一体板、石墨聚苯板、内置保温结构一体板
- 主营：免拆模板、硅酸钙板、钢筋桁架免拆模板、复合水泥板、防爆板、纤维水泥板、轻质水泥板、水泥压力板、免支撑模板、增强复合钢板、保温防火双面、钢筋桁架楼承板、阁楼板、水泥硅酸钙板、高强度硅酸钙板、硅酸盐水泥板、高强硅酸钙板、纤维增强水泥防爆板、复合岩棉一体化板、装配式免拆模板、复合免拆模板、免支撑免拆模板、免支模板一体板、泄爆板、清水建筑模板
- 主营：岩棉管、硅酸铝针刺毯、玻璃棉卷毡、岩棉板、岩棉复合板、保温装饰一体板、硅质聚苯板、电梯井吸音板、硅酸铝板、聚合聚苯板、橡塑板、酚醛板、挤塑板、石墨聚苯板、玻璃棉板、玻璃棉管、硅酸铝管、橡塑管
- 主营：保温板、保温隔热板、外墙保温材料、防火保温材料、防火降噪板材、防潮抗老化板材、岩棉保温板、隔音岩棉板、岩棉板材、XPS挤塑板、EPS复合保温板、珍珠岩吸音板、无机珍珠岩保温板、屋面保温隔热板材、A级阻燃保温板材、地暖挤塑保温板材、墙体复合保温板材、室内降噪保温板材、外墙岩棉保温板材、屋面珍珠岩保温板、内墙隔音保温板材、防火珍珠岩隔热板、外墙发泡保温板、防火发泡水泥板、厂房填充发泡板
- 主营：隔热板、水泥板、纤维板、防火板、防火墙板、屋顶隔热层、防爆泄压板、防火隔墙墙板、水泥复合钢板、预制混凝土板凳、秀壁卡索板、防爆板、纤维增强硅酸盐防火板、水泥纤维隔热板凳、纤维水泥隔热板、纤维增强水泥板、屋顶架空隔热板凳、纤维增强水泥板泄爆板、轻质隔墙板、铝石板、钢钙板、通体纤维水泥装饰板、外墙清水板
- 主营：密封胶、防火包、防火泥、防火板、陶瓷纤维板、防火保温板、电缆防火、防爆堵泥、防火材料、阻火模块、封堵材料、电缆桥架、玻璃纤维、防火涂料、柔性堵料、防火堵料、柔性有机、封堵有机、防火阻燃、弹性防火、防火模块、钢结构防火、阻燃防火胶、阻火包膨胀、堵料阻火包
- 主营：建筑真空板、真空绝热板、隧道聚氨酯板、阳光房隔热板、外墙聚氨酯板、聚氨酯复合板、无机聚氨酯板、建筑外墙真空板、隧道用聚氨酯板
- 主营：砂浆纸岩棉复合板、电梯井吸音板、砂浆复合岩棉板、穿孔吸音板、聚氨酯岩棉复合板、岩棉免拆一体板、电梯井隔音毡
- 主营：玻璃棉卷毡、硅酸铝针刺毯、岩棉管、玻璃棉板、橡塑保温板、岩棉板、硅酸铝板、橡塑保温管、岩棉复合板、电梯井吸音板、陶瓷纤维板、穿孔吸音板、B级橡塑板、硅酸铝管、玻璃棉管、陶瓷纤维毯、岩棉毡、大棚玻璃棉卷毡、钢结构玻璃棉卷毡、玻璃棉厂家、岩棉厂家、硅酸铝厂家、橡塑厂家、离心玻璃棉、B级橡塑管
- 主营：接缝条、泡沫条、泡沫棒、填缝板、接缝板、塑料板、泡沫板、嵌缝板、闭孔板、塑料条、异型件、发泡棒、膨胀胶、挡风条、珍珠棉、填缝胶、密封膏、圆柱管、密封胶、灌封膏、塑料棒、灌封胶、止浆条、止浆棒、修复剂
- 主营：水泥纤维板外墙挂板、干挂幕墙板、纤维水泥外墙板、GRC水泥干挂板、水泥干挂板、9.5mm防爆板、防火玻镁板、穿孔复合吸音板、纤维水泥板、水泥纤维板、20mm水泥纤维板、纤维水泥压力板、钢结构楼板、纤维水泥加压板、隔层楼板、泄爆板、水泥楼层板、loft楼层板、纤维水泥楼顶隔热板、水泥压力板、屋顶隔热板、纤维水泥地板、屋顶隔热板凳、阻尼隔音板、硅晶石栈道板
- 主营：阻燃挤塑板、挤塑保温板、保温挤塑板、外墙保温材料
- 主营：水泥纤维板、纤维水泥板、纤维水泥压力板、玻镁板、矿棉板、穿孔复合吸音板、无石棉纤维水泥板、硅酸钙板、高晶板、防爆板、穿孔石膏板、穿孔吸音板、穿孔硅酸钙板、纤维水泥板生产、纤维水泥板生产厂家、吸音板、水泥压力板、纤维增强水泥压力板、水泥压力板生产、玻纤板、水泥压力板8mm、水泥压力板10mm、水泥压力板12mm、纤维水泥板厂、烤漆龙骨
- 主营：电梯井吸音板、钢网插丝岩棉板、钢网插丝玻璃棉板、砂浆岩棉复合板、玻璃棉复合板、保温装饰一体板、岩棉板、玻璃纤维棉板、钢网岩棉板、穿孔复合吸音板、增强玻璃纤维复合板、岩棉复合板、岩棉保温板、硅酸钙复合岩棉板、保温装饰一体化板、岩棉插丝板、插丝岩棉板、岩棉防火板、穿孔吸音板、水泥岩棉板、钢丝网架岩棉板、防火岩棉板、玻璃纤维棉卷毡、电梯井隔音毡、玻璃棉包裹无纺布