Multiwall Hollow Polycarbonate is a lightweight architectural roofing and glazing sheet designed for skylights, canopies, pergolas, covered walkways, industrial glazing, and outdoor shade structures. Its hollow multi-cellular design provides strong impact resistance, thermal insulation, UV protection, and good light transmission while reducing overall roof weight.
Shipping calculated at checkout.



Tell us what you need and we will prepare a custom quote
Feel free to Get in touch
Multiwall Hollow Polycarbonate sheets are engineered with internal air chambers that improve insulation and structural rigidity while keeping the material lightweight. The sheets are manufactured through multi-layer co-extrusion and include a UV-blocking outer layer to help protect against sun exposure, yellowing, and surface degradation.
These sheets are suitable for projects where natural light, heat reduction, durability, and weight control are important. They are commonly used in architectural canopies, large-span skylights, commercial pergolas, greenhouses, walkways, and industrial roofing applications.
The hollow cellular structure creates internal air gaps that help reduce heat transmission compared to solid sheets.
Offers high impact resistance and structural stability while remaining much lighter than glass.
Co-extruded UV protection helps block harmful UV rays and supports longer outdoor performance.
Available in clear, bronze, and opal options to balance brightness, shading, and privacy.
The sheets can be cold-bent within the recommended bending radius, making them practical for curved canopies and roofing designs.
| Variation | Internal Structure | Area Weight | Clear Light Transmission | Bronze Light Transmission | Opal Light Transmission |
|---|---|---|---|---|---|
| 6.0mm Sheet | Twin-wall standard | 1.30 kg/m² | 80% | 42% | 38% |
| 10.0mm Sheet | Twin-wall / triple-wall | 1.70 kg/m² | 76% | 35% | 32% |
| 16.0mm Sheet | Triple-wall / honeycomb | 2.70 kg/m² | 62% | 28% | 26% |
| Property | 6.0mm Sheet | 10.0mm Sheet | 16.0mm Sheet |
|---|---|---|---|
| Structure Profile | Twin-wall | Twin-wall / triple-wall | Triple-wall / honeycomb |
| Area Weight Density | 1.30 kg/m² | 1.70 kg/m² | 2.70 kg/m² |
| Thermal Insulation U-Value | 3.56 W/m²K | 3.02 W/m²K | 2.33 W/m²K |
| Acoustic Insulation | 16 dB | 19 dB | 21 dB |
| Rib Distance | ~6.0mm pitch | ~10.0mm pitch | ~20.0mm pitch |
| Minimum Cold Bending Radius | 1,050mm | 1,750mm | 2,800mm |
| Service Temperature | -40°C to +120°C | -40°C to +120°C | -40°C to +120°C |
| Flammability Classification | Class B-s1-d0 | Class B-s1-d0 | Class B-s1-d0 |
Install sheets with the internal flutes running vertically or along the roof slope to allow condensation drainage. Seal open sheet ends after cutting to reduce dust, water, and algae buildup inside the channels. The UV-protected side should face the sun during installation. Allow for thermal expansion and avoid overtightening screws to prevent cracking.
We make it easy for you to receive your order wherever you are. Choose a delivery option that works best for your location, order size, and urgency.
Custom canvas covers designed and installed for privacy, vehicle protection, and everyday practical use.
Custom tents designed and installed for events, storage, churches, camping, branding, and outdoor needs.
Durable parking shades designed and installed to protect vehicles in homes, offices, and commercial spaces.
Outdoor shade solutions designed and installed for comfort, protection, and functional exterior
Fill in your details below and we’ll prepare a custom quote for you.
Reviews
There are no reviews yet.