Products Description
Polyurethane insulation panels, known for their exceptional thermal efficiency, are versatile building materials. Comprising a polyurethane foam core sandwiched between two outer layers, typically metal or aluminum, they provide excellent insulation, reducing energy consumption and maintaining comfortable indoor temperatures. These lightweight yet durable panels offer moisture resistance and corrosion protection. Their versatility extends to aesthetic considerations, with various finishes and colors available to complement diverse architectural designs. Easy and rapid installation makes them an ideal choice for construction projects, providing both energy savings and cost-efficiency.
Product Specification

|
Products Title |
PU SHEET FOR WALL |
|
PPGI Thickness |
0.4-0.7mm for choose |
|
Panel Thickness |
40/50/75/100/120/150/200mm |
|
Color |
any other required on RAL Color |
|
PU Density |
42kg/m³(±2) |
|
Effective Width |
400-1120mm for wall panel |
|
Length |
Max 11.85mm for 40HQ container or customized |
|
U Value(w/mk) |
PU:≤0.024 |
|
Fire Rating |
PU:CLASS B1 |
|
Surface Texture |
Flat/Embossed Pattern/V8/Micro Ripple |
|
Application |
Factory panel/cold storage/workshop |
Factory Workshop
How we Produced

Coated Steel Uncoiling
The production process begins with the precise uncoiling of pre-coated steel coils. This initial stage requires careful handling to ensure the integrity of the coated surface is maintained, providing a flawless foundation for subsequent processing steps.

Electrostatic Film Laminating
The uncoiled steel undergoes electrostatic film lamination. Utilizing advanced electrostatic adsorption technology, a protective film is permanently bonded to the steel surface. This enhances both corrosion resistance and visual appeal while safeguarding the material during further fabrication.

Forming of Coated Steel Sheet
The laminated steel is then fed into high-precision forming machines. Through controlled roll-forming processes, the flat sheets are accurately shaped into panel profiles that meet exact garage door design specifications.

Double Track Foam Composite
Formed panels proceed to foam injection. Polyurethane foam is rigorously injected under pressure into the double-track panel structure, creating a continuous core that significantly improves thermal insulation and acoustic performance.

Precise Machine Cutting
Finally, the composite panels undergo computer-numerical-controlled (CNC) cutting. This automated process ensures each panel is trimmed to exact dimensional requirements, guaranteeing consistency and perfect fit during door assembly.

Pakcage of pu sandwich panel
Pack the boards according to the customer's cut dimensions and label them to ensure they are not damaged during loading and unloading.
the final view of project
PU SANDWICH PANEL CASE FOR WAREHOUSE



The Panels for Cold Room inevitably requires various edging accessories.
We offer free on-site surveying and drawing services to accurately measure the dimensions of your required wall panels and ceiling panels, and calculate all the auxiliary materials needed during installation.
You only need to provide one drawing, and we will provide all the necessary installation accessories.

our services
Choose the best panel that suits your building best
Color Support Customize
We support RAL color chart customization.
Free drawing survey
our 12 person technical team will calculate the panel quantity and provide a construction plan.
Product after-sales service
We offer a 5-year product after-sales guarantee. If any product quality issues prevent project delivery, we will assume full responsibility.
Quality products
All products undergo sampling inspection by specialized technicians before leaving the factory, and the entire loading process is recorded with photos to ensure safe delivery of goods.
Fast delivery
Once the board dimensions are confirmed and we receive the deposit, we guarantee delivery within 15-20 days.
Free Samples
Free samples will be mailed to you. Please contact our sales staff for project inquiries.
Here are the reasons why our cold storage roof panels are the best choice for your project:
✔ High Strength – Reinforced steel frame for heavy-duty applications.
✔ Superior Insulation – Minimal thermal loss with airtight cam-lock joints.
✔ Corrosion-Resistant – PVDF-coated or SS304 options for harsh environments.
✔ Fast Installation – Modular design allows 200+ m²/day assembly speed.
Our address
Zhengzhou City Henan Province China
Phone Number
+18697320091
emily@etpanel.com

