Professional Sandwich Panel Supplier
Home Blog

How Sandwich Panels Help Reduce Energy Bills in Warehouses?

How Sandwich Panels Help Reduce Energy Bills in Warehouses?

June 12, 2026

You manage a warehouse. Cutting energy costs is key. Heating and cooling big spaces uses lots of power. If your walls arent insulated well, your bills stay high all year.

 

Warehouse sandwich panels have metal outside layers and thick insulation inside. The insulation stops heat from moving. Better insulation means your heating and cooling system works less. This saves you energy and money.

 

Pick insulation with high thermal resistance first. Not all insulation works the same. Look at the table below. It shows how thick each material must be to match 100mm of Polyurethane (PU) foam.

 

 

No.

Material

Thermal Conductivity (W/m·K)

Thickness Needed for Same Insulation

1

PU Foam

0.022 - 0.024

100 mm (Base for comparison)

2

EPS Foam

0.032 - 0.040

~ 150 mm

3

Glass Wool

0.032 - 0.040

~ 150 mm

4

Rock Wool

0.034 - 0.045

~ 160 mm

5

Wood

0.13 - 0.18

~ 600 mm

7

Brick Wall

0.5 - 0.8

~ 2,500 mm (2.5 meters)

6

Concrete

1.5 - 2.5

~ 8,000 mm (8 meters)

 

The data is clear. Brick and concrete need very thick walls to insulate well. That’s not practical. PU foam panels give top insulation with thin walls. This saves space inside your warehouse.

Second, install panels properly. They must fit tightly. Gaps let air leak in or out. This cuts insulation and raises energy bills.

 

Third, good panels do more than insulate. The metal outside blocks air and stops moisture. Less moisture means better air quality and less work for your cooling system.

 

If you want lower energy bills and more space, the choice is clear. Propanel sells PU/PIR sandwich panels with top insulation. Our panels build a tight, energy-saving shell fast. Visit propaneltech.com to cut your energy costs for good.

PROPANEL, based in Chengdu, China, specializes in high-performance sandwich panels for industrial, cold chain, and modular buildings. With 15+ years of expertise, we export globally, ensuring precision manufacturing, quality control, and excellent customer service...
Newsletter
Please Read On, Stay Posted, Subscribe, And We Welcome You To Tell Us What You Think.
Submit
Call Us: +86 18854396600
Address: Dajin Road, Xihanggang Street, Shuangliu District, Chengdu, Sichuan Province, China.

Copyright @ 2026 CHENGDU PROPANEL TECH CO., LTD. All Rights Reserved. Network Supported

Sitemap / Blog / XML / Privacy Policy

leave a message

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
submit

Home

Products

WhatsApp

contact

Start a Conversation

Hi! Click one of our members below to chat on