Top 15 Twin Wall Polycarbonate Sheet Manufacturers in Australia 2026

Twin wall polycarbonate sheets have become an increasingly popular solution for roofing, skylights, greenhouses, pergolas, commercial buildings, walkways, and architectural glazing in Australia. Compared with traditional glass, twin wall polycarbonate offers a combination of lightweight construction, impact resistance, thermal insulation, UV protection, and high light transmission.

With growing demand for energy-efficient and lightweight building materials, Australian buyers are looking for reliable twin wall polycarbonate sheet manufacturers and suppliers that can provide consistent quality, competitive pricing, customization, and dependable delivery.Top 15 Twin Wall Polycarbonate Sheet Manufacturers and Suppliers in Australia

Top 15 Twin Wall Polycarbonate Sheet Manufacturers and Suppliers in Australia

1. WALLIS

WALLIS is a professional plastic sheet manufacturer and international B2B supplier based in China, providing customized polycarbonate sheets for customers worldwide.

Unlike suppliers that mainly distribute standard roofing products, WALLIS focuses on plastic sheet manufacturing, customization, OEM/ODM production, and wholesale supply. Its polycarbonate portfolio includes solid polycarbonate sheets, hollow polycarbonate sheets, twin wall sheets, triple wall sheets, multiwall sheets, UV-protected sheets, colored sheets, embossed sheets, and specialty polycarbonate solutions.

For Australian importers, distributors, roofing companies, greenhouse suppliers, and construction-material businesses, WALLIS can provide twin wall polycarbonate sheets according to specific project requirements.

WALLIS Twin Wall Polycarbonate Sheet

WALLIS twin wall polycarbonate sheets are manufactured using virgin polycarbonate material and feature a hollow double-wall structure. The internal air channels help reduce weight while improving thermal insulation.

Current WALLIS twin wall polycarbonate products can be supplied in thicknesses from approximately 3–12 mm, with standard widths around 2100 mm and long-length options suitable for large roofing and glazing projects. Custom dimensions and colors can also be discussed for wholesale orders.

Typical applications include:

• Roofing

• Skylights

• Greenhouses

• Pergolas

• Canopies

• Walkways

• Architectural glazing

• Partitions

• Agricultural buildings

• Commercial daylighting

Why Australian Buyers Can Consider WALLIS

1. Manufacturer-direct supply

WALLIS manufactures plastic sheet products rather than simply acting as a local reseller. This can provide greater flexibility for importers and distributors looking for direct factory supply.

2. Custom sizes

Standard sizes are available, while customized widths, lengths, thicknesses, colors, and specifications can be discussed according to project requirements.

3. Multiple polycarbonate structures

WALLIS offers different polycarbonate structures, including twin wall, triple wall, and multiwall, allowing buyers to select the appropriate structure for different insulation and mechanical-performance requirements.

4. UV protection

UV-protected hollow polycarbonate sheets are available for outdoor applications where long-term exposure to sunlight is expected.

5. OEM and ODM capability

For distributors and importers, WALLIS can support customized production, packaging, specifications, and other OEM/ODM requirements. The company states that it provides customized solutions for global customers.

6. Broad plastic manufacturing capability

WALLIS's manufacturing portfolio extends beyond polycarbonate to include PVC, PET, PETG, PP, acrylic and other plastic sheets, allowing customers to source multiple plastic products from one supplier.

These specifications can vary according to the selected structure, thickness, color, and project requirements.

2. Laserlite Building Products

Laserlite is an established Australian-based manufacturer, marketer, and distributor of polycarbonate roofing products. Its product range includes Laserlite Multiwall, a hollow structured polycarbonate glazing sheet designed for residential and commercial applications.

Laserlite Multiwall is available in 700 mm and 1050 mm widths and is used for applications including patios, pergolas, skylights, and commercial glazing.

Best for: Australian residential roofing and commercial daylighting projects.

3. Palram Australia

Palram is a major international polycarbonate manufacturer with a strong presence in Australia. Its SUNLITE® Multiwall range includes different thicknesses, structures, colors, and light-transmission options.

The product range is designed for applications requiring a balance of light transmission, thermal performance, impact resistance, weight, and aesthetics.

Best for: Commercial buildings, roofing, glazing, greenhouses, and architectural applications.

4. Ampelite Australia

Ampelite has a long history in the Australian roofing and daylighting industry. Its portfolio includes conventional polycarbonate sheets as well as multiwall polycarbonate systems, including LEXAN™ THERMOCLEAR™, LEXAN™ THERMOCLICK™ and EasyClick PC®.

Best for: Residential roofing, commercial glazing, patios, and architectural daylighting.

5. Danpal Australia

Danpal Australia specializes in architectural polycarbonate systems designed for façades, roofing, daylighting, and commercial buildings.

Its polycarbonate systems are particularly suited to projects where designers need both natural light and architectural appearance.

Best for: Architectural façades, commercial buildings, canopies, and premium glazing projects.

6. Dott.Gallina

Dott.Gallina is an international manufacturer of polycarbonate building systems, with products supplied into the Australian market through specialist distributors.

Its range includes advanced multiwall polycarbonate systems for roofing, walls, façades, and architectural daylighting.

Best for: Commercial construction and architectural projects requiring specialized multiwall systems.

7. RODECA Australia

RODECA is known for translucent polycarbonate building systems used in architectural façades and roofing.

Its products go beyond basic twin wall sheets and include advanced multiwall structures designed to provide thermal insulation, daylight transmission, and architectural flexibility.

Best for: Industrial buildings, sports facilities, commercial façades, and large architectural projects.

8. Menzel Plastics

Menzel Plastics is an Australian plastics supplier offering a wide range of sheet materials, including polycarbonate products and multiwall solutions.

The company supplies full sheets and provides cut-to-size services for customers requiring project-specific dimensions.

Best for: Plastic fabrication, roofing, glazing, and custom-sized sheet requirements.

9. ExcelitePlas

ExcelitePlas supplies twin wall polycarbonate sheets in Australia, particularly serving customers from its Melbourne warehouse.

Its twin wall range includes 6 mm, 8 mm and 10 mm options, with standard sizes such as 1050 × 2440 mm, 1050 × 3000 mm, and 1050 × 6000 mm. The company also provides cut-to-size services and Australia-wide delivery.

Best for: Pergolas, greenhouses, pool enclosures, skylights, and DIY projects.

10. Associated Plastics

Associated Plastics supplies Laserlite Multiwall polycarbonate sheets and provides cut-to-size services.

Its multiwall products are available in different thicknesses and colors, with accessories available for installation.

Best for: Residential roofing, greenhouses, partitions, and custom projects.

11. Holland Plastics

Holland Plastics supplies polycarbonate sheets throughout Australia and offers both solid and twinwall/multiwall products.

Its services include CNC cutting and custom sizing, making it suitable for customers who need finished or project-specific panels rather than standard full sheets.

Best for: Roofing, skylights, fabrication, machine guards, and custom projects.

12. Allplastics Engineering

Allplastics Engineering supplies polycarbonate building materials including Laserlite Multiwall.

Its range is suitable for commercial, industrial, and domestic applications such as shopping centers, sports facilities, greenhouses, pergolas, patios, carports, skylights, and pool covers.

Best for: Commercial and residential polycarbonate glazing projects.

13. Vinsun Building Supplies

Vinsun Building Supplies supplies twin wall polycarbonate roofing products and related roofing accessories in Australia.

Its twin wall range is promoted for its combination of lightweight construction, rigidity, thermal insulation, and natural light transmission.

Best for: Pergolas, patios, carports, outdoor living areas, and roofing projects.

14. Jay Jay Building Supplies

Jay Jay Building Supplies offers multiwall polycarbonate systems for roofing, walls, glazing, pergolas, greenhouses, walkways, and industrial applications.

Its listed multiwall products include 10 mm and 16 mm options in 700 mm and 1050 mm widths.

Best for: Residential and commercial building projects.

15. Singh Roofing Supplies

Singh Roofing Supplies offers Laserlite Multiwall polycarbonate roofing products in different widths, lengths, and colors.

Its products are suitable for customers looking for lightweight glazing solutions for roofing and outdoor structures, with delivery available across Australia.

Best for: Pergolas, patios, skylights, carports, and residential roofing.

Why Choose Twin Wall Polycarbonate Sheets?

Twin wall polycarbonate sheets are made with two external polycarbonate layers connected by internal ribs. This creates hollow air channels within the sheet.

The structure provides several advantages.

1. Lightweight Construction

The hollow structure uses less material than a solid polycarbonate panel while maintaining useful rigidity.

This makes twin wall sheets easier to handle, transport, cut, and install.

2. Thermal Insulation

The internal air channels help slow down heat transfer.

For roofing and greenhouse applications, this can provide better thermal performance than a single-layer sheet.

3. High Impact Resistance

Polycarbonate is naturally resistant to impact, making it suitable for outdoor environments where materials may be exposed to hail, wind, falling objects, or accidental impacts.

4. Natural Light Transmission

Clear and translucent twin wall sheets allow daylight to pass through while creating a lighter and more comfortable interior environment.

5. UV Protection

For outdoor applications in Australia, UV protection is particularly important.

When purchasing twin wall polycarbonate sheets, buyers should confirm whether the product includes a UV-protected surface or co-extruded UV layer.

6. Easy Installation

Compared with glass, polycarbonate sheets are much easier to transport and handle.

This makes them suitable for large roofing areas, pergolas, greenhouses, and commercial structures.

Popular Applications of Twin Wall Polycarbonate Sheets in Australia

The Australian market uses twin wall polycarbonate sheets across many different applications.

Pergola and Patio Roofing

Twin wall sheets can provide natural daylight while creating protection from weather conditions.

Greenhouses

Their light transmission, lightweight construction, and thermal properties make them suitable for greenhouse glazing.

Skylights

Twin wall polycarbonate can be integrated into roofs and walls to introduce natural daylight.

Commercial Buildings

Multiwall and twin wall systems are used for daylighting, façades, walkways, and architectural features.

Pool Enclosures

Lightweight polycarbonate glazing can be used for pool covers and enclosure structures.

Walkways and Canopies

Polycarbonate sheets are suitable for covered walkways because they combine weather protection with daylight transmission.

How to Choose the Right Twin Wall Polycarbonate Sheet

Australian buyers should evaluate several factors before placing a bulk order.

Thickness

Common options include:

• 6 mm

• 8 mm

• 10 mm

• 16 mm

• 20 mm and above for specialized multiwall systems

The correct thickness depends on the required span, wind load, insulation performance, and structural design.

Width and Length

Standard local products may have relatively narrow module widths, while manufacturers such as WALLIS can discuss larger or customized dimensions for specific B2B requirements.

UV Protection

For outdoor applications, UV protection should be a key purchasing criterion.

Color

Common options include:

• Clear

• Opal

• Bronze

• Grey

• White

• Customized colors

Color selection influences light transmission, appearance, solar control, and privacy.

Structure

Buyers can compare:

• Twin wall

• Triple wall

• Multiwall

• Advanced multi-cell structures

A more complex structure may provide improved stiffness and thermal performance, depending on the application.

Why Choose WALLIS as Your Twin Wall Polycarbonate Sheet Manufacturer?

For Australian distributors and B2B buyers, there is a major difference between buying a standard sheet from a local retailer and working directly with a manufacturer.

WALLIS focuses on factory manufacturing, customization, and international B2B supply.

The company operates multiple manufacturing facilities and has more than 10 years of industry experience. Its product portfolio covers a broad range of plastic sheets and finished plastic products.

Factory-Direct Pricing

Direct manufacturing can help importers and distributors obtain more competitive pricing for larger-volume orders.

Customized Specifications

WALLIS can discuss customized:

• Thickness

• Width

• Length

• Color

• Surface treatment

• UV protection

• Packaging

• Private-label requirements

Multiple Polycarbonate Options

In addition to twin wall polycarbonate sheets, WALLIS supplies solid, hollow, triple wall, and multiwall polycarbonate products.

OEM and ODM Support

WALLIS provides OEM/ODM solutions for international customers, which can be particularly useful for distributors developing their own product range.

Quality Control

WALLIS states that its polycarbonate products can be supplied with certifications including REACH, RoHS, ISO and GRS, depending on the applicable product.

One-Stop Plastic Supply

Australian importers can also source other plastic materials from WALLIS, including PET, PETG, PVC, acrylic, PP, and related plastic products.

Frequently Asked Questions

What is a twin wall polycarbonate sheet?

A twin wall polycarbonate sheet consists of two polycarbonate layers connected by internal ribs. The resulting hollow channels reduce weight and improve thermal insulation while maintaining good impact resistance.

Is twin wall polycarbonate suitable for Australian weather?

Yes. Twin wall polycarbonate is widely used for outdoor roofing, skylights, pergolas, greenhouses, and commercial glazing. However, buyers should select products with appropriate UV protection and structural specifications for the local climate.

What thickness of twin wall polycarbonate is best?

There is no single best thickness. 6–10 mm products are commonly used for lighter roofing and glazing applications, while thicker multiwall structures can be selected when greater insulation or structural performance is required.

Can WALLIS manufacture customized twin wall polycarbonate sheets?

Yes. WALLIS provides customized polycarbonate sheet solutions and can discuss dimensions, colors, thicknesses, UV protection, and other specifications for B2B orders.

Does WALLIS supply wholesale orders to Australia?

WALLIS is an international B2B manufacturer and supplier and can work with overseas importers, distributors, and project customers. Australian buyers can discuss specifications, quantities, packaging, and shipping requirements directly with the factory.