Canglong Steel structure Co., Ltd in china since 2003
EPS sandwich panel is not only an excellent material for building warehouses, but also one of the most widely used enclosure systems in small and medium-sized warehousing and logistics projects. It is like a "sandwich", with solid colored steel plates on both sides and polystyrene foam (EPS) in the middle. It integrates heat preservation, heat insulation, load bearing and decoration, and is particularly suitable for storage projects that pursue rapid deployment and cost control.

For warehouses, the core requirements are safe storage of goods and control of operating costs. EPS sandwich panel perfectly fits these two points:
Thermal insulation, saving electricity costs: The warehouse is most afraid of becoming a steamer in summer. The thermal conductivity of EPS material is extremely low (about 0.038 W/m · K), which can effectively block external heat. Compared to single-layer color steel plates, warehouses using EPS sandwich panels can reduce indoor temperatures by 8-10 ℃ in summer, significantly reducing air conditioning energy consumption.
Rapid construction and early production: EPS sandwich panels are lightweight and use socket splicing or bolt connections. A 1000 square meter warehouse can be topped out by skilled workers in just a few days, greatly shortening the capital recovery cycle.
Affordable cost and budget friendly: Among all sandwich panels (rock wool, polyurethane, glass magnesium), EPS has the most competitive price and does not require complex foundation reinforcement, resulting in the lowest overall cost.
According to a report by Global Market Insights, the metal sandwich panel market has exceeded a scale of $3 billion, with EPS accounting for a very high proportion. Especially in rapidly developing emerging markets such as Southeast Asia, Africa, and South America, due to their high sensitivity to initial investment, EPS sandwich panel warehouses account for over 60% of new construction projects.

Although EPS is very useful, not all warehouses choose it. Please refer to the table below:
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Warehouse Type
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Recommended Panel
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Reason Analysis
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|---|---|---|
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General Dry Storage
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EPS Sandwich Panel (Top Choice)
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No open flame risk; focus on moisture-proofing and thermal insulation. EPS offers unbeatable cost-effectiveness.
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Cold Chain / Climate-Controlled Storage
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PU Sandwich Panel (Recommended)
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Requires higher thermal insulation coefficient. Polyurethane (PU) is better suited for cold storage facilities.
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Hazardous Chemicals / Flammable Goods Storage
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Rock Wool Sandwich Panel (Mandatory)
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Fire safety regulations mandate Class A fire rating. Rock wool must be used.
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Coastal / High Humidity Areas
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EPS Sandwich Panel (Requires Thicker Coating)
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Environment is highly corrosive. Must use panels with high aluminum-zinc coating content (e.g., AZ150).
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In order to overcome some of the traditional weaknesses of EPS, such as mediocre fire resistance, Canglong Group provides customized upgrade solutions:
Flame retardant reinforcement: We provide B1 level flame-retardant EPS core materials that self extinguish in the event of fire, meeting the fire safety acceptance standards of the vast majority of countries.
Stable structure: 360 ° vertical seam hemming technology, combined with high-strength H-shaped steel framework, can achieve a wind resistance level of 12, which can be as stable as Mount Tai even in coastal typhoon areas.
Detail anti-corrosion: For tropical regions, the walls are coated with PE or SMP coating, which is corrosion-resistant and UV resistant, ensuring that the paint does not peel off or rust for 10 years.

If your warehouse is used to store general goods, machinery or agricultural products, and you want to put them into use as soon as possible and control your budget, EPS sandwich panels are definitely your best partner. Canglong Group has completed thousands of such warehouses worldwide, and we have proven with facts that selecting the right supplier, EPS warehouses are equally sturdy, durable, and safe.
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