INSTANT
cut to size prices
FREE DELIVERY
on all mainland UK orders
OUTSTANDING
customer service
DISCOUNT PRICES?
Click to find out more
Plastic Roofing | Twinwall Sheets & Fixtures
Cut To Size Polycarbonate Roofing Sheets & Fixures
At Cut Plastic Sheeting, we provide high-quality twinwall polycarbonate sheets, perfect for roofing applications due to their strength, versatility, and lightweight design. Whether you’re replacing greenhouse panels or installing durable conservatory roofing, our twinwall polycarbonate offers a reliable and long-lasting solution.
We stock a wide range of twinwall polycarbonate roofing sheets, which can be cut to your exact specifications. Our expert team can assist with bespoke designs to ensure you get the perfect fit for your project. Plus, we offer a full fixture kit, including all the necessary fittings to make installation easy and give your roof a professional finish.
Why Use Twinwall Polycarbonate Roofing Sheets?
Twinwall polycarbonate roofing sheets are a popular choice for a wide range of roofing applications due to their durability, insulation, and lightweight design. Here are some key reasons to choose multiwall polycarbonate:
Excellent Strength & Impact Resistance – Twinwall polycarbonate is significantly stronger than glass and can withstand harsh weather conditions, including heavy rain, hail, and wind.
Lightweight & Easy to Install – Unlike traditional roofing materials, polycarbonate sheets are lightweight, making them easier to handle, transport, and install.
Superior Insulation – The Twinwall structure creates air pockets that improve thermal insulation, helping to regulate temperatures in spaces like conservatories and greenhouses.
UV Protection – Many polycarbonate sheets come with UV-resistant coatings, preventing yellowing and degradation over time while protecting interiors from harmful UV rays.
Versatility & Customisation – Available in different thicknesses, tints, and cut-to-size options, multiwall polycarbonate can be tailored to suit various projects, from patio covers to skylights.
Cost-Effective & Long-Lasting – Offering excellent longevity with minimal maintenance, polycarbonate sheets provide a budget-friendly alternative to glass or acrylic while maintaining high performance.
Modern Aesthetic – With a sleek, clean finish, polycarbonate roofing sheets enhance the appearance of any outdoor or indoor structure.
Low Maintenance – Polycarbonate sheets require minimal upkeep, as they resist moisture, mould, and dirt buildup, making them a hassle-free option for long-term use.
Our Polycarbonate Roofing Sheets
-
CUT TO SIZE
10mm Opal White Twinwall Sheets Cut To Size
Opal White Multiwall Polycarbonate Sheets, precisely cut to your specifications. High-quality and UV-resistant sheets are designed for versatile applications, ensuring durability and efficiency.Price/M2 £35.71 inc. VAT £29.76 ex. VATView Product This product has multiple variants. The options may be chosen on the product page -
CUT TO SIZE
10mm Clear Twinwall Sheets Cut To Size
Clear 10mm Multiwall Polycarbonate Roofing Sheets, precisely cut to your specifications. High-quality, UV-resistant sheets for versatile applications, ensuring durability and efficiency.Price/M2 £35.71 inc. VAT £29.76 ex. VATView Product This product has multiple variants. The options may be chosen on the product page -
CUT TO SIZE
10mm Light Bronze Twinwall Sheets Cut To Size
Tinted Multiwall Polycarbonate Sheets, custom-cut to meet your exact requirements. Durable, UV-resistant sheets are perfect for a variety of applications, such as roofing and window replacements.Price/M2 £35.71 inc. VAT £29.76 ex. VATView Product This product has multiple variants. The options may be chosen on the product page -
CUT TO SIZE
16mm Opal White Twinwall Sheets Cut To Size
Opal White Multiwall Polycarbonate Sheets, precisely cut to your specifications. High-quality and UV-resistant sheets are designed for versatile applications, ensuring durability and efficiency.Price/M2 £39.08 inc. VAT £32.57 ex. VATView Product This product has multiple variants. The options may be chosen on the product page -
CUT TO SIZE
16mm Clear Twinwall Sheets Cut To Size
Clear 16mm Multiwall Polycarbonate Roofing Sheets, precisely cut to your specifications. High-quality, UV-resistant sheets for versatile applications, ensuring durability and efficiency.Price/M2 £39.08 inc. VAT £32.57 ex. VATView Product This product has multiple variants. The options may be chosen on the product page -
CUT TO SIZE
16mm Light Bronze Twinwall Sheets Cut To Size
16mm Tinted Multiwall Polycarbonate Sheets, custom-cut to meet your exact requirements. Durable, UV-resistant sheets are perfect for a variety of applications, such as roofing and window replacements.Price/M2 £39.08 inc. VAT £32.57 ex. VATView Product This product has multiple variants. The options may be chosen on the product page
What You Need To Install Your Polycarbonate Roofing:
Breather Tape
Breather Tape is applied to the bottom of the multiwall pannels to allow air to flow through the columns, whilst preventing contamination with dust and algae.
Aluminium Tape
Aluminium sealing tape is applied to the top edge of the multi-wall roofing panels to prevent moisture, dust, insects or debris from entering the channels of the pannels.
Fixing Screws
Fixing Screws are used to secure the polycarbonate roofing sheets to the framework of the roof. Designed to allow for some movement to accommodate thermal expansion.
Snap Down Glazing Bar
Snap down glazing bars are used to connect sheets quickly and effectively without the hassle of screwing each bar to the rafter. This is more typically used in more sheltered positions.
Screw Down Rafter Supported Glazing Bar
Screw-down glazing bars are used to connect two panels of polycarbonate sheeting together that need extra support or security.
Screw Down Rafter Supported Wall Flashing Bar
Wall Flashing bars are used to create a secure watertight seal where the roofing sheets meet a vertical wall.
Screw Down Rafter Supported Gabble End Bar
Gable end glazing bars are used to create a waterproof seal between the polycarbonate sheets and the wall at the gable end of the roof.
F Sections
F sections are used along the long side of the roofing panels to finish off the edges and provide a waterproof seal.
U Sections Sheet Closure
U-section sheet closures are used at the bottom edge of the sheet to provide a secure waterproof seal.
Lean To Flashing Trim
Learn to flashing trims are used to create a secure water proof seal at the top of the roof for a professional finish.
Twinwall Fixtures & Fittings
FAQS's
Multiwall polycarbonate roofing is a lightweight, durable, and insulating roofing material made from multiple layers of polycarbonate sheets. It is commonly used for conservatories, carports, greenhouses, and canopies due to its strength and weather resistance.
Multiwall polycarbonate is lighter, stronger, and more impact-resistant than glass. It also provides better insulation and UV protection, making it ideal for roofing applications. Unlike glass, it is shatterproof and easier to handle and install.
Yes! Multiwall polycarbonate is much lighter than glass and can be easily cut to size. It can be installed using a full fixture kit, including glazing bars, end caps, and sealing tape, to ensure a professional finish.
Yes, multiwall polycarbonate has air pockets between the layers, which help to reduce heat loss in winter and keep spaces cooler in summer, making it a great insulator.
Yes, multiwall polycarbonate sheets come with a UV-protective coating that helps to block harmful UV rays while still allowing plenty of natural light through.
Multiwall polycarbonate is best suited for pitched or sloped roofs, as this helps with water drainage and prevents pooling. For flat roof applications, proper support and drainage must be considered.
Multiwall polycarbonate is low maintenance. Simply clean it with mild soapy water and a soft cloth or sponge. Avoid using abrasive cleaners or sharp objects that could scratch the surface.
Yes! It is highly impact-resistant and can withstand strong winds, heavy rain, and even hailstones, making it an excellent choice for the UK’s unpredictable weather.
Yes! Polycarbonate sheets can be easily cut using a fine-toothed saw or a circular saw with a suitable blade. At Cut Plastic Sheeting, we offer a cut-to-size service for a perfect fit.
Polycarbonate Roofing v Glass
Polycarbonate roofing offers a lightweight, impact-resistant, and cost-effective alternative to traditional glass. Unlike glass, polycarbonate is shatterproof, making it a safer option for areas prone to harsh weather. It also provides better insulation, helping to regulate temperatures more effectively. While glass offers a sleek, high-end aesthetic and superior clarity, it is heavier, more expensive, and prone to breakage. For greenhouses, conservatories, and canopies, polycarbonate is often the preferred choice due to its durability, affordability, and UV protection.
Any questions?
If you have any questions about purchasing polycarbonate roofing or want to discuss the installation process further, process, please contact our sales team for more information.
Completed a polycarbonate roofing project recently?
We always like to see how our customer projects have turned out! If you have completed a project recently using our material, send us some images over email or tag us on Facebook or Instagram!
More Exterior DIY Guides
Build a Cold Frame for Your Garden
Protect your fruit, veg and plants from the elements all year round by building a cold frame in your home. Customise it to the size you need!
Improve Shed Window Security with Polycarbonate
Do you install valuable gardening or DIY equipment in the shed when you’re not using it? Make sure your shed is secured by using this simple trick.
How To Replace A Shed Window
Has your shed window been damaged and needs a refresh? Check out this quick, inexpensive and easy way to replace the panel yourself.
How To Replace A Greenhouse Panel?
Whether it’s damaged or is starting to look worn, your greenhouse panels may need replacing. Make it easy for yourself and follow these simple steps.