Four-layer U-lock Polycarbonate sheet is a high-performance roofing and cladding material designed for enhanced thermal insulation, structural strength, and ease of installation. Its unique U-locking structure allows for interlocking assembly without the need for connecting accessories, providing a seamless and watertight finish.

Key Features of Four-Layer U-lock Polycarbonate Sheet:

1. Structure:

   • Four-wall internal structure enhances rigidity and insulation.

   • U-lock edge design ensures tight connection between sheets without gaps.

2. Material:

   • Made of 100% virgin polycarbonate resin.

   • UV-coated on one or both sides for long-lasting weather resistance.

3. Thermal Insulation:

   • Multi-layer hollow chambers provide excellent heat insulation, reducing energy costs.

4. Watertight Connection:

   • U-lock edges tightly snap together, minimizing leaks and reducing the need for sealants.

5. Lightweight & High Impact Resistance:

   • Easy to handle and install.

   • 200 times stronger than glass, ideal for areas prone to hail or impact.

6. Applications:

   • Greenhouses

   • Skylights

   • Covered walkways

   • Carports

   • Pergolas

   • Commercial roofing systems

Typical Specifications:

Advantages:

• Quick installation with snap-on locking design

• No need for aluminum joining bars

• Reduced labor and accessory costs

• Suitable for curved and flat applications

Company Introduction

Welcome to Foshan Huaxia Nature Building Materials Co., LTD, a leading manufacturer and supplier in China, specializing in Polycarbonate sheets and awning systems. With years of experience and innovation, our factory is dedicated to providing high-quality materials and customized solutions for a wide range of building and outdoor projects.

We offer a comprehensive range of Polycarbonate products, including:

• Solid Polycarbonate Sheets

• Hollow (Twin-wall, Multi-wall) Polycarbonate Sheets

• Corrugated Polycarbonate Sheets

• Light Diffusion Sheets

• UV-Protected Skylight Panels

• Starry Sky Room Panels

• Transparent Polycarbonate Kayaks

• DIY Canopies and Aluminum Frame Carports

Our DIY awnings and canopy systems combine durable aluminum alloy frames with impact-resistant, UV-protected Polycarbonate panels—perfect for residential and commercial applications.

All our products are produced under strict quality control and exported worldwide. We support OEM & ODM services to meet the specific requirements of our global clients.

Why Choose Us:

• Advanced production equipment and technology

• Strong R&D and design capabilities

• Professional export support and fast delivery

• Reliable after-sales service

We are committed to building long-term partnerships with customers around the world by delivering quality products, competitive pricing, and outstanding service.