BONAI Environmental Technology

What Are Polycarbonate Corrugated Roofing Sheets?

Polycarbonate corrugated roofing sheets are translucent roof panels manufactured from high-quality polycarbonate resin. Their corrugated profile provides excellent structural strength and water drainage, making them a superior alternative to glass and traditional metal roofing sheets.

Key Advantages

Exceptional Impact Resistance

With impact resistance 250 times greater than glass, polycarbonate sheets are virtually unbreakable. This makes them ideal for areas prone to hail, strong winds, or accidental impacts.

Long-Lasting UV Protection

The co-extruded 50μm UV protection layer blocks 99.9% of harmful ultraviolet rays, protecting both the material and objects beneath the roof. This protection ensures a service life exceeding 10 years without significant yellowing.

Controlled Light Transmission

With light transmission options ranging from 10% to 89%, you can choose the exact level of natural illumination for your project. Clear options are ideal for greenhouses, while opaque options provide shade with diffused light.

Lightweight and Easy Installation

Weighing only 1/12 of equivalent glass, polycarbonate sheets significantly reduce structural load and simplify the installation process, cutting labor and structural costs.

Main Applications

Agricultural Greenhouses

The combination of high light transmission and UV protection makes these sheets perfect for greenhouses. They allow optimal plant growth while protecting against adverse weather conditions.

Canopies and Covers

For parking areas, terraces, and waiting areas, corrugated sheets provide rain and sun protection while maintaining a bright and pleasant environment.

Industrial Buildings

In industrial applications, these sheets offer natural lighting that reduces electricity costs, with the strength needed to withstand heavy-duty conditions.

Key Technical Specifications

Parameter	Value
Material	100% virgin polycarbonate
Thickness	0.8mm - 3.0mm
Width	840mm / 930mm / 1130mm
UV Protection	Co-extruded layer 50μm
Temperature Range	-40°C to 120°C
Warranty	10 years

Installation Tips

Thermal expansion: Leave 3-5mm gap at each fixing point to allow for thermal movement.

Sealing washers: Always use EPDM sealing washers to prevent leakage.

UV orientation: Install with the UV layer facing up (marked with label).

Minimum slope: Maintain a minimum slope of 10% for proper drainage.

Overlap: Overlap at least one full corrugation between adjacent sheets.

Why Choose BONAI?

BONAI exclusively uses virgin polycarbonate resin from Bayer/Covestro, ensuring maximum quality and durability. With over 15 years of export experience and ISO 9001, CE, and SGS certifications, we are your reliable partner for roofing projects.