Four Seasons Plastics
Polycarbonate & Roofing

Strong, lightweight roofing solutions

Our polycarbonate roofing range provides a strong, lightweight and energy-efficient solution for a wide variety of roofing applications. Ideal for conservatories, canopies, carports, verandas, lean-tos and covered outdoor spaces, polycarbonate offers excellent durability, weather resistance and light transmission — paired with a comprehensive selection of roofing bars and accessories for a professional, weatherproof installation.

Flat roof extension with a glazed polycarbonate roof lantern
Features & Benefits
  • Lightweight yet highly durable
  • Excellent impact resistance
  • UV protected for long-term performance
  • Suitable for a wide range of roofing applications
  • Choice of clear, opal and SolarGuard finishes
  • Available in 10mm, 16mm, 25mm and 35mm thicknesses
  • Complete range of roofing bars and accessories
  • Easy to install and maintain
  • Excellent weather protection and insulation
Section 1

Polycarbonate Sheets

Multiwall Polycarbonate

We stock multiwall polycarbonate sheets in a range of thicknesses, giving you varying levels of insulation and spanning capability so you can select the most suitable option for your project.

Thicknesses10mm, 16mm, 25mm & 35mm
ClearMaximum light transmission for bright, open spaces
OpalDiffuses sunlight to reduce glare and create a softer internal light
SolarGuardReflective technology that reduces heat build-up while keeping natural daylight
Solid Polycarbonate

Looking for a strong, lightweight and impact-resistant glazing solution? Our solid polycarbonate sheets are available in 2mm, 3mm, 4mm, 5mm and 6mm thicknesses — ideal for shelters, machine guards, secondary glazing, protective screens and DIY projects.

  • Exceptional impact resistance
  • Lightweight and easy to handle
  • Clear, durable and weather-resistant
  • Suitable for commercial and domestic use
Need a specific size? We offer a same-day cut-to-size service — sheets cut accurately to your exact requirements, ready for fast collection or dispatch.
Section 2

Roofing Bar Systems

To complement our polycarbonate sheets, we offer a range of roofing bars suitable for both domestic and commercial installations.

Choose Your Bar Type
Rafter Supported Bars

Designed to be fixed directly onto timber rafters, these bars provide a secure and cost-effective solution for most roofing projects.

Self-Supported Bars

Ideal where additional structural support is limited, self-supported bars offer increased spanning capability and a clean, professional finish.

Glazing Bars

Available in a variety of sizes and specifications, glazing bars securely join glass sheets while providing weatherproof protection and a neat appearance.

Need this for a project?

Pop in, give us a call, or send us a message — we'll check stock, talk options and give you a hassle-free quote.