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Rock Wool Sandwich Panel

Rock Wool Sandwich Panel is a revolutionary building material made from molten fibers of natural basalt rock.

Its unique "metal sheet with rock wool core" sandwich structure simultaneously delivers three core values: fire safety, thermal insulation, and industrial-grade durability.

Certified to the national A1-level fire resistance standard (with a fire resistance limit of up to 4 hours), the panel features a low thermal conductivity of 0.040 W/(m·K), helping to reduce building energy consumption by over 30%.

Product Description

● Our Rock Wool Sandwich Panel Production Line and Packaging Equipment

● Rock Wool Sandwich Panel is a revolutionary building material made from molten fibers of natural basalt rock.

● Its unique "metal sheet with rock wool core" sandwich structure simultaneously delivers three core values: fire safety, thermal insulation, and industrial-grade durability.

● Certified to the national A1-level fire resistance standard (with a fire resistance limit of up to 4 hours), the panel features a low thermal conductivity of 0.040 W/(m·K), helping to reduce building energy consumption by over 30%.

● With a maintenance-free lifespan of up to 25 years and excellent corrosion resistance, it is an ideal solution for harsh industrial environments.

● From thermal insulation walls in cold chain warehouses to explosion-resistant partitions in electronics workshops, and from acoustic ceilings in stadiums to barrier systems in hospital operating rooms, the panels support flexible thickness customization from 50mm to 200mm.

● Modular design enables rapid installation, offering safe and cost-effective enclosure system solutions for industrial plants, logistics hubs, and public buildings.

● Available in different surface profile options, such as corrugated, flat, Embossed Orange Peel Texture, ribbed, and quad-lock joint styles.

Applications

● Industrial plants, logistics centers, and utility rooms where fire resistance and structural integrity are critical.

● Public and commercial buildings such as stations, exhibition halls, and shopping malls that require insulation, soundproofing, and fire protection.

● Cleanrooms and functional zones in industries like food, pharmaceuticals, and electronics, for walls, partitions, and fire-rated ceilings.

● Modular and prefabricated buildings such as mobile cabins, prefab restrooms, and emergency medical units.

Rock Wool Sandwich Panel

Corrugated Rock Wool Sandwich Panel (Color-Coated Steel Surface)

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Corrugated Rock Wool Sandwich Panel (Galvanized Steel Surface)

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Flat Rock Wool Sandwich Panel (Embossed Orange Peel Texture)

Square Ribbed Rock Wool Sandwich Panel

Quad-Lock Rock Wool Sandwich Panels

comparison

Item	Double-lock (two-sided interlocking) sandwich panels	Quad-Lock Polyurethane Sandwich Panel (Four-Sided Interlocking Panel)
Joint Method	With buckle joints on two sides (top - bottom or left - right)	Tongue - and - groove structures designed on all four sides (top - bottom + left - right)
Installation Method	Horizontal insertion or vertical fitting	Insertable in any direction on four sides, with tighter engagement
Sealing Treatment	Usually need to apply sealant or install sealing strips	With multiple built - in tongue - and - groove seals, better airtightness
Protection Effect	Average windproof/dust - proof performance	Better windproof, waterproof and cold - bridge - preventing performance

Key Benefits

Key Benefits of Quad-Lock Sandwich Panels compared with other sandwich panels (when use same core materials)

Tight Four-Side Locking for Reliable Sealing

Four-sided interlock ensures excellent air and water resistance with superior insulation performance.

Secure Connection with Versatile Application

Stable connections that withstand wind, temperature changes, and various installation orientations.

Fast Installation with Lower Labor Costs

Quick-fit design reduces labor and materials, accelerating on-site construction.

Clean Finish with Seamless Appearance

Concealed joints and smooth surfaces create a clean, modern architectural finish.

Long-Lasting Durability for Demanding Conditions

Edge-sealed durability ensures long service life, even under harsh or reusable conditions.

Company Profile

At Ecosteel Source, we combine manufacturing expertise and global trade experience to deliver sustainable, high-performance steel materials and advanced building solutions that shape the future of modern construction.

With a full range of products covering Zinc-Aluminum-Magnesium (ZAM) coated steel, galvalume (GL) steel, galvanized (GI) steel, pre-painted steel (PPGI/PPGL), as well as floor deck systems, C/Z/U structural purlins, metal studs&tracks (roof&wall), corrugated color steel sheets (roof&wall), sandwich panels and cleanroom panels, we deliver comprehensive solutions for modern roofing and wall cladding systems.

Combining advanced processing capability, strict quality control, and customized service, Ecosteel Source aims to help our partners to build durable, energy-efficient, and sustainable architectural projects worldwide.

Pack & Ship

Shipping & Paymentterm

How to start your Project and Business?

Inquiry

Provide product specifications(materia size, coating, color, quantity, application).
Quotation

Get formal quotation with price, leao time, payment,and other details.
Sample

Confirm samples or drawings for customized colors patterns.
Contract & Payments

Sian Pl/contract and pay deposit to schedule production; Special customizec products require full payment in advance.

Production

Manufacturing with strict quality control,third-party inspection available.
Packing & Balance

Packed to international standards,and settle balance payment.
Shipment & Documents

Shipment arranged with documents,receive full set of shipping documents.
After-sales

Technical support,long-term supply and project services.