Sandwich Panels Supplier

 

 

1. Industrial Buildings & Warehouses

Sandwich panels are extensively used in:

Steel structure factories

Logistics warehouses

Manufacturing plants

Why they are used:

Reduce construction time

Improve thermal efficiency

Lower operational energy costs

👉 Common types:

PU sandwich panels for insulation

Rock wool panels for fire resistance

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2. Cold Storage & Refrigeration Rooms

One of the most critical applications.

Used in:

Cold rooms

Freezer warehouses

Food processing plants

Key advantages:

Excellent thermal insulation (PU/PIR core)

Airtight structure

Temperature stability

👉 Typical industries:

Food & beverage

Pharmaceuticals

Logistics

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3. Commercial Buildings

Widely applied in:

Shopping malls

Office buildings

Exhibition halls

Benefits:

Modern architectural appearance

Energy-efficient buildings

Sound insulation

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4. Residential Buildings & Modular Houses

Sandwich panels are increasingly used in:

Prefabricated houses

Temporary housing

Villas and modular homes

Advantages:

Fast construction

Lightweight structure

Eco-friendly materials

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5. Roofing Systems

Used as:

Roof sandwich panels

Insulated roofing systems

Why preferred:

Waterproof performance

Heat insulation

Long lifespan

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6. Wall Cladding & Partition Systems

Applications include:

Exterior wall cladding

Interior partitions

Cleanroom walls

Key benefits:

Easy installation

Smooth surface finish

Hygienic (important for cleanrooms)

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7. Clean Rooms & Controlled Environments

Used in:

Pharmaceutical factories

Electronics manufacturing

Laboratories

Features:

Dust-proof

Easy to clean

Anti-bacterial surface options

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8. Agricultural Buildings

Applied in:

Poultry farms

Livestock housing

Storage facilities

Benefits:

Temperature control

Durability

Cost-effective construction

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9. Transportation & Mobile Structures

Used for:

Container houses

Mobile offices

Site camps

Advantages:

Portability

Quick assembly & disassembly

Lightweight

 

Core Material	Best Applications
PU / PIR	Cold storage, roofing, insulation-critical projects
EPS	Low-cost buildings, temporary structures
Rock Wool	Fire-resistant buildings, industrial plants

 

Energy-saving (thermal insulation)

Faster project completion

Lower labor costs

Strong structural performance

Fire-resistant options available

Sustainable and recyclable materials

 

Item	Range
Thickness	50mm – 200mm
Width	950mm / 1000mm
Length	Customized
Core Material	PU / PIR / EPS / Rock Wool
Surface	Color Coated Steel / Galvanized Steel
Density	8 – 120 kg/m³

 

Excellent Thermal Insulation

Fire Resistance (up to A1 grade)

Lightweight & High Strength

Easy Installation

Waterproof & Soundproof

Long Service Life

10+ Years Export Experience

Strict Quality Control System

OEM / Custom Size Support

Fast Delivery

Competitive Factory Price

Looking for a reliable sandwich panel supplier?

We provide:

PU / PIR / EPS / Rock Wool Sandwich Panels

Custom sizes & thickness

OEM & export solutions

Fast delivery worldwide

Contact us today for a quotation and technical support.

+8615769214734
office@dongmjd.com

 

❓ What is a sandwich panel?

A sandwich panel is a composite building material made of two metal sheets bonded to an insulating core such as PU, PIR, EPS, or rock wool. It is widely used for walls, roofs, and cold storage due to its excellent insulation and strength.

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❓ What are sandwich panels used for?

Sandwich panels are used in:

Industrial buildings

Warehouses

Cold rooms

Prefabricated houses

Clean rooms

They provide insulation, structural support, and fast installation.

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❓ What are the types of sandwich panels?

The main types of sandwich panels include:

PU sandwich panel (best insulation)

PIR sandwich panel (better fire resistance)

EPS sandwich panel (low cost)

Rock wool sandwich panel (fireproof)

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❓ Which sandwich panel is best?

It depends on your application:

Cold storage → PU sandwich panel

Fire safety → Rock wool or PIR panel

Budget projects → EPS panel

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❓ What is the standard thickness of sandwich panels?

Common thickness ranges from:

50mm

75mm

100mm

150mm

200mm

Thickness depends on insulation and project requirements.

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❓ What is the lifespan of sandwich panels?

Sandwich panels typically last 15–30 years depending on material quality, coating, and environmental conditions.

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❓ Are sandwich panels waterproof?

Yes, sandwich panels are designed to be water-resistant and weatherproof, especially when installed with proper sealing systems.

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❓ Are sandwich panels fireproof?

Rock wool panels → Fireproof (A1 grade)

PIR panels → Fire-resistant

PU & EPS → Limited fire resistance

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❓ What is the price of sandwich panels?

The price depends on:

Core material (PU / PIR / EPS / rock wool)

Thickness

Steel coating

Quantity

👉 EPS is cheapest, PIR is most expensive.

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❓ Which sandwich panel is best for cold rooms?

PU sandwich panel is the best choice due to its superior thermal insulation and energy efficiency.

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❓ How to install sandwich panels?

Sandwich panels are installed using:

Steel structure framing

Fasteners and screws

Sealing joints

They are designed for fast and easy installation.

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❓ What materials are used in sandwich panels?

Sandwich panels consist of:

Outer layers: steel sheets

Core: PU, PIR, EPS, or rock wool

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❓ Are sandwich panels energy efficient?

Yes, sandwich panels provide excellent thermal insulation, reducing heating and cooling costs.

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❓ What is the difference between PU and PIR sandwich panels?

PU → better insulation

PIR → better fire resistance

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❓ Can sandwich panels be customized?

Yes, sandwich panels can be customized in:

Thickness

Length

Color

Surface coating

 

Xi'an Dongmeng Group Co., Ltd. is one of the leading sandwich panels supplier manufacturers and suppliers in China. We warmly welcome you to buy or wholesale cheap sandwich panels supplier in stock here from our factory. All customized products are with high quality and competitive price. For free sample, contact us now.