EPS Sandwich Panel
Cost-Effective EPS Sandwich Wall Panels for Steel Building Cladding
Bingfa Steel Structure offers affordable EPS sandwich wall panels that are suitable for both the exterior and interior of steel buildings, workshops, warehouses, prefab/residential houses, and commercial construction sites. The lightweight nature, excellent thermal insulating ability, quickly installed yet very low-cost nature of the EPS sandwich wall makes it one of the most practical solutions for your wall cladding requirements for both the exterior and interior sides of your building.









| Parameter | Standard Value |
|---|---|
| Panel Type | EPS / Expanded Polystyrene Sandwich Panel |
| Density | 12/15/18/20 kg/m³ |
| Core Thickness | 50/75/100/125/150mm |
| Effective Width | 950/1150mm |
| Color Steel Plate Thickness | 0.3/0.35/0.4/0.45/0.5mm |
| Color-Coated Steel Coils | Gray, White, Sky Blue, Green, Bright Red, Silver-Gray, etc. (Custom colors available) |

| Parameter | Standard Value |
|---|---|
| Panel Type | EPS / Expanded Polystyrene Sandwich Panel |
| Density | 12/15/18/20 kg/m³ |
| Core Thickness | 50/75/100/125/150mm |
| Effective Width | 950/1150mm |
| Color Steel Plate Thickness | 0.3/0.35/0.4/0.45/0.5mm |
| Color-Coated Steel Coils | Gray, White, Sky Blue, Green, Bright Red, Silver-Gray, etc. (Custom colors available) |
Core Advantages of EPS Sandwich Wall Panels
1.Cost-Effective Wall Cladding Solution
One of the benefits of EPS sandwich wall panels is that they are an affordable solution to steel buildings, warehouses, workshops, prefabricated houses and commercial wall structures and can help to lower the cost of the envelope.
2.Lightweight and Easy to Install
The lightweight structure of EPS insulated wall panels reduces the load on the steel frame and makes transportation, handling, and on-site installation faster and easier.
3.Good Thermal Insulation Performance
The foam core (EPS) provides greater thermal insulation on the exterior and interior walls of the building, increasing comfort levels within the building by minimizing the amount of heat that travels through the wall system.
4.Suitable for Interior and Exterior Wall Applications
EPS sandwich wall panels can be installed on the exterior of buildings as cladding or they may be used as interior partitions within buildings, or they may be used as the walls of prefabricated buildings or warehouses, as well as workshops, or on any type of commercial construction project.
EPS Sandwich Wall Panel Options We Supply
EPS sandwich wall panels are among our products for steel buildings and warehouses and workshops, prefabricated homes and sanitary rooms, temporary structures and business wall cladding projects. We have numerous wall panel profiles, surface finishes, thicknesses and joint designs available to customize them for your building designs and installation needs.
1. Exterior EPS Sandwich Wall Panels
The external EPS sandwich wall panels are used as an external wall cladding solution in steel buildings and warehouses, workshops, prefabricated buildings etc. They have a lightweight enclosure with basic thermal insulation properties and provide a nice appearance to the building. Furthermore, they can be installed quickly.
These panels are suitable for:
- Steel warehouse exterior walls
- Steel workshop wall cladding
- Prefab building walls
- Commercial building enclosure
- Industrial wall panel systems
2. Interior EPS Sandwich Wall Panels
Interior EPS panel sandwich wall panels can be installed in either partition wall situations or within a single steel building as a means of providing an internal room or office space, a storeroom, or some other functional area. They are lightweight and easy to install and assist in creating an orderly and clean interior space.
Common applications include:
- Interior partition walls
- Office partitions inside warehouses
- Storage room walls
- Prefab house interior walls
- Workshop functional areas
3.Custom Surface and Profile Options
Depending on the look you want for your installation, EPS wall panels are customizable to meet the installation specifications of your project. You will be able to pick from a flat surface, lightly ribbed, or a corrugated wall panel.
You can choose a steel sheet based on your favorite color, coating needs, and how you want the building to look.
4.Joint and Installation Design
We can design our EPS sandwich wall panels with functional joint systems to make installation easier and the appearance of the wall better. Some common examples of available options include a tongue-and-groove joint or a method of attachment that has the screws hidden from view (concealed fixing) or a more traditional fixation method with all screws exposed for you to view (traditional visible fixing).
The right joint design depends on your wall system, building use, budget, and appearance requirements.
5.Customized Thickness and Size
The thickness of the wall panels, length, width, colour and thickness of the steel sheets, can all be customised according to the needs of the project. The correct thickness of the panel is used to maintain the balance between the insulation performance, cost, wall strength and the efficiency of installation.
Before we start producing something, customers can send us the blueprint or drawing of the building. They can also let us know how they want the walls to be put up, what thickness they want the panels to be, what colour they want the panels to be in, how many panels they want, and how the panels will be used on the project. By knowing these details, we are able to recommend to our customers the best EPS wall panel system for their project.
How to Choose the Right EPS Sandwich Wall Panel
When choosing EPS sandwich wall panels, customers usually need to consider:
- Building type: warehouse, workshop, prefab house, or commercial project
- Wall application: exterior wall or interior partition wall
- Required thermal insulation level
- Panel thickness and length
- Surface profile and color
- Joint type and fixing method
- Local climate and installation conditions
- Budget and project delivery time
If you still have questions about the right specification that will work for your project, we ask you to send us the size of your building, size of your walls, and application. Once we have that information, Bingfa Steel Structure will be able to help you choose an affordable and effective EPS sandwich wall panel product.
Sandwich Panel Production Process
Our sandwich panel production process is carefully controlled to ensure accurate dimensions, strong bonding, and consistent panel quality.

Steel Coil Uncoiling
Color-coated steel coils are loaded onto the uncoiling machine, leveled, and continuously fed into the production line. Protective film may also be applied to reduce scratches and surface damage.

Steel Sheet Roll Forming
The upper and lower steel sheets pass through roll-forming equipment to create the required panel profile, surface pattern, and edge shape.

Core Material Feeding
Rock wool or other insulation core materials are transported into the production line according to the required panel thickness and specification. The core is positioned carefully to maintain consistent panel structure.

Adhesive Application & Edge Sealing
Adhesive is applied evenly between the metal sheets and insulation core to create a stable bond. Panel edges may also be formed or sealed according to the selected joint design.

Double-Belt Pressing & Automatic Cutting
The metal sheets and core material pass through the double-belt pressing system, where they are continuously bonded and formed. The finished panels are then automatically cut to the required project length.

Finished Panel Stacking & Packaging
The completed panels are inspected, stacked, labeled, and packed with protective materials. Proper packaging helps protect panel surfaces and edges during storage, container loading, and delivery.
Why Choose Us?
Custom Steel Structure Buildings — Offering Rapid Delivery, Direct-from-Manufacturer Sales, and Installation Technical Support.
With over 15 years of experience in steel structure export, we specialize in delivering high-quality prefab warehouses, riding arenas, and residential buildings to clients worldwide.
We offer integrated design, fabrication, and installation services. With 15 years of experience specializing in steel structure factory construction, we have an independent construction team and provide one-on-one service. We customize solutions for your projects, saving you time and reducing hassle.
Our Expert Team
Dedicated sales, engineering, and production teams with deep expertise in global steel building projects.
15+ Years Export Experience
Serving clients in Russia, Canada, Europe, and the Caribbean with tailored steel structure solutions.
100,000 m² Production Base
Precision CNC fabrication and strict quality control to meet international project requirements.
FAQ About EPS Sandwich Panels
Q:What is the difference between EPS and PU sandwich panels?
A: For standard prefabricated buildings or warehouses, expanded polystyrene (EPS) is a great option because it’s very lightweight and cost-effective. On the other hand, polyurethane (PU) provides much better thermal insulation and fire protection, so if you’re building a cold-storage building or somewhere with very extreme temperatures, you would want to go with a polyurethane (PU) product.
Q: Are EPS sandwich panels waterproof?
A:With anti-corrosion coating and high quality materials, the life of our polyurethane sandwich panel is over 50 years, the same as that of our steel structure.
Q: How long is the lifespan of an EPS panel?
A: When installed correctly and used in a normal environment they will last anywhere from 15-20 years or more! This provides great long term value to all of your steel building projects!
Q: Do you export these panels internationally?
A: Sure! Bingfa Steel Structure ships EPS panels regularly to Southeast Asia, Africa, the Middle East, and South America, which are packed securely in 40HQ containers.
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