We Manufacture All Sizes Cold Room Sandwich Panel

We produce cold room panels with width: 900 /1000 /1100mm; thickness: 50 /75 /100 /120 /150mm. Or your custom size, contact us freely.

Cold Room Panel

We normally use PU (Polyurethane) or PIR (Polyisocyanurate Foam) as the cold room panel core , both side surfaces use stainless steel, aluminum sheet, galvanized steel, etc. Panel density is  >42kg/m³. And cold room panel has B1/B2/B3 fireproof Grade. B1 is the top grade, B3 is the worst.We only use B1 Grade.

The division of fireproof grade is generally determined by the “oxygen index”. The oxygen index of the core material of B1 grade fireproof panel must be >32 (in the combustion test),  B2 grade must be >26, and those <26 are B3 grade plates.

Simple Test Method: Take a small piece of core material and ignite it. 

#Grade B3: Easy to ignite and has dripping burning substances.       

#Grade B2: Left the fire self-extinguishing.                   

#Grade B1: Difficult to ignite.

PU panel advantages:

#1. Low thermal conductivity
#2. Beautiful shape and easy installation
#3. Good fire resistance
#4. Non-toxic and tasteless
#5. Wide temperature range
#6. Waterproof and moistureproof

PIR panel advantages: 

#1. Lower thermal conductivity

#2. Light weight shockproof

#3. Cryogenic insulation material (Used for a variety of pipes and equipment from -196°C to +120°C)

Tips: PIR panel mostly used in Large or huge industrial plants, cold storages, garages, mobile homes, exhibition halls, gymnasiums,etc.


Cold room panel mainly used for cold chain logistics, food processing, shopping malls, supermarkets, hotels and aviation catering, biopharmaceuticals, fine chemicals, precision electronics and other industries. Meanwhile, used for the production, storage and logistics of food, medicine and other commodities that require a constant temperature environment.

Sea Food Store 

Cold Chain Transportation

Cold Chain

Supermarket 2


Airline Catering

Aviation Catering


Fine Chemicals

Fine Chemicals

Food Processing

Food Processing

Precision Electronics

Precision Electronics

Panel Connection

2 Ways of Connection

There are two ways of panel connection: slip joint and camlock.Two of both can firmly install the cold room.

Slip Joint Advantages

#1. Improve insulation and air-tightness of the joints. 

#2. Excellent thermal insulation, good waterproof.

#3. Beautiful appearance, durable, easy and fast installation.

The slip joint system is a special type designed for assembling large and medium-sized cold room. It is combined with light steel structure or concrete frame to assemble the cold storage. Its appearance, area and volume can be freely designed according to different needs.

Camlock Advantages

#1. Energy saving, good thermal insulation performance, strong pressure resistance, beautiful appearance.
#2. Easy to use, long life, high density, high strength, anti-aging and corrosion resistance.
#3. Easy to assemble and combine to save space for building large and medium-sized cold storage.
#4. The construction period is short, which is convenient for customers to put into production as soon as possible.

Slip Joint Panel

Camlock Panel

Cold Room Construction

Cold Room Construction

Panel Construction Drawing

Cold Room Panel Feature

Room Temperature for Different Application

Room Temperature for different goods list

Condition of Different Plate

Panel Material-Feature
Embossed aluminum plate

Embossed Aluminum plate

Stainless Steel Plate

Stainless Steel Plate

Anti-skid aluminum plate

Anti-skid Aluminum Plate


Galvanized Steel Plate

Why Choose Our Cold Room Panel?

Our Panel Installation Procedure

First Step: Wall Panel Installation

#1. Install the wall panel from the corner.

According to the drawing, drill holes in the correct panel position, and the electric drill should be perpendicular to the panel surface when drilling. Erect the wall panels and place soft materials (such as foam) on the ground to prevent any damage to the panels. Then check whether the wall panels are in the correct position (Checks are required from beginning to end). After the position is fixed, welding  angle iron onto the plate beam, meanwhile fix the inner and outer corners.

#2. After the two wall panels at the corner are installed, start to install the next wall panel along the corner.

Before installation, apply white sealing paste onto panel corners of the (convex) groove. The sealing paste should be dense and uniform.

#3. Hit with a hammer between the panels to make them closer.

Use connectors to wedge the wall panels each other, and which are respectively fixed in the gap between the wall panels. The lower connector should be as low as possible, so that it can be covered after pouring concrete. The gap between the panels should be 3mm.

Second Step: Top and Floor Panel Installation

#1. Start from the corner of the cold room to install the top and floor panel.

According to the drawing,  fix panels to the correct height and position. The panels should be placed on the wall panel and the T-shaped iron. Then fix the top/floor panel and the T-shaped iron with rivets, connect the corner panel between the top/floor panel and the wall panel, then install the next panel.​​

#2. Fix the panel connectors outside the cold room.

Each panel seam should be fixed with 3 connectors: each one at both ends of the panel and the rest one in the middle of the panel (the length of the top panel is less than 4 meters, can only use 2 panel connectors).​​

#3. Ceiling C-shaped steel installation.

Place the C-shaped steel in the correct position due to the drawing, then open the top panel at the position of the bolt hole, and use the bolt to connect the angle iron with the panel firmly. Finally welding the ceiling C-shaped steel to the purlins.
Cold Room Panel-Color steel

Third Step: Corner Panel Installation

#1. Apply sealant to all the contact between corner panel and other panels.

The corners between the wall panels should be fixed in sections to facilitate the pouring of polyurethane foam. The corner panel for fixing the top panel should have a gap every 500mm (the size of the gap is subject to the foam material), and then fix it on the top panel and wall panel.

#2. The corner plate is fixed with rivets.

The rivet space is 100mm, and the rivets fixed on the corner should be in a straight line with equal space.

The FAQs About Speedway Group

Speedway is committed to quality across all aspects of our business – our people, processes and products. We call this ‘the SPEEDWAY  standard’.

We welcome any sample order before big quantity purchase, that means 1pc is acceptable. For mass order quantity is 20pcs for total.

We have own factory to produce the main refrigeration products, but we also do trading for other related products because we have resource to supply good quality and service.

Yes,we have 3 senior engineers, 10 professional r & D team, 55 professional production personnel.

We support payment through wire transfer, like T/T, L/C, Western Union. Also accpet Paypal payment for sample piece order.

For sure. You can send us your logo, package or panel design, we will give you the final satisfied solution accordingly without additional cost !

Yes, we did. Our factory has inner 100% inspection for each unit before loading, also can make the legal test report for each shippment. What’s more, can invite SGS / TUV / BV inspection according clients’ request, but customers should pay for the test fee.

First, we need starting the business to understand each other, if things move smoothly and you meet our “distributor request”, then we will sign the formal contract and agreement to ensure your rights in your market.

Contact our salesman for more details please.

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