Your Nationwide uPVC Building Plastics Supplier
Fascia's, Guttering, Windows & More
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We Supply It, You Fit It.
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Polycarbonate Roofing Sheets & Accessories – Custom Sizes, Full Kits, Fast Delivery
Build it your way – no trimming, no hassle.
We precision-cut your polycarbonate sheets for a clean fit, and supply every accessory you need for a fast, watertight install.
What Makes Our Polycarbonate Sheets Different?
✔ Cut to Size – Just input your width and length, and we’ll precision-cut the sheets so you don’t have to.
✔ Clean, Ready to Use – No swarf, no mess, no need to tape yourself. All panels arrive with sealed edges and protective film still on.
✔ Multiple Thicknesses – From light 4 mm glazing to 35 mm multiwall insulation panels.
✔ Choice of Finishes –
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Clear for full light,
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Opal for soft, diffused glow,
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Bronze for stylish shade,
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Solarguard for solar reflection and heat control.
✔ Everything You Need – Glazing bars, trims, tapes, wallplates and fixings. Build it right, first time.
✔ Fast UK Delivery
Try Our Cut-to-Size Calculator
Quickly price your exact sheet size with our interactive calculator.
👉 Select your thickness and colour
Choose the thickness and colour that suits your project – from lightweight 4mm to insulated 35mm, in clear, bronze, opal, and more.
👉 Select your width in millimetres
Use the sliders to enter your width in millimetres. We’ll cut it precisely to size for a clean fit – no trimming on site needed. Width range: 500mm to 2100mm
👉 Select your Length in millimetres
Use the sliders to enter your Length in millimetres. We’ll cut it precisely to size for a clean fit – no trimming on site needed. Width range: 500mm to 6000mm
👉 Choose your quantity
Choose how many sheets you need at this size. Perfect for matching roof bays or creating a full kit.
👉 Click “Add to Cut List”
You’ll see the price instantly. Want more sizes? Just repeat the steps to build your full order.
🔁 Keep Going or Checkout
Add as many custom sizes as you need – then hit “Checkout Now” when you’re ready. We’ll deliver everything clean, taped, and ready to install.
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Which Sheet Thickness Is Right for You?
Thickness | Best For | Structure | U-Value (W/m²K) |
|---|---|---|---|
4mm | Greenhouses, cold frames | Twinwall | ~3.9 |
6mm | Garden glazing, sheds | Twinwall | ~3.5 |
10mm | Budget canopies, sheds | Twinwall | ~3.2 |
16mm | Pergolas, lean-tos, carports | Triplewall | ~2.4 |
25mm | Patios, conservatories | Multiwall (5 wall) | ~1.4 |
35mm | Orangeries, year-round rooms | Multiwall (7 wall) | ~1.2 |
Need maximum insulation? Go 35 mm.
Need maximum light? Use 4–6 mm.
Most popular? 16 mm is your all-rounder.
Twinwall
TripleWall
Multiwall
Choosing a Colour – Light or Shade?
Colour | Light Transmission | Best For |
|---|---|---|
Clear | Up to 85% | Bright spaces and growing areas |
Opal | ~40–50% | Soft, glare-free light for patios and schools |
Bronze | ~18–33% | Stylish shade, south-facing carports |
Bronze/Opal | ~15–25% | Blended finish offering shade with softness – ideal for verandas and privacy screens |
Solarguard | ~7% | Heat control for conservatories, sunrooms |
✅ All sheets are UV protected (coated side faces outward).
Clear
Opal
Bronze
Bronze/Opal
Solarguard
Need accessories? We've got everything you need to finish the job.
Below you'll find a full range of compatible polycarbonate roofing accessories to go with your cut-to-size sheets.
From breather tape and fixings to H-sections, U-profiles, and closures – these products help you build it right, first time.
Everything here is hand-picked to work with our sheet range, so you won’t need to second-guess what fits.
Polycarbonate Accessories
Glazing Bars & Joiners
Start with the main structural components for joining sheets:
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Aluminium Glazing Bars (Capped or Snap-Fit)
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PVC Glazing Bars (if applicable)
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H-Sections (for rafter-supported joins)
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F-Sections (edge joins for wall abutments)
Trims & Edges
Neaten up and seal the perimeter:
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U-Profiles (open edge trim)
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PVC Sheet Closures (budget finish)
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Aluminium Sheet Closures (premium, stronger finish)
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Wall Plates / Eaves Beams / End Bars (if listed separately)
Tapes & Seals
Seal and protect sheet ends for long-term performance:
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Breather Tape (bottom edge ventilation)
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Blanking Tape (top edge seal)
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Foam Seals / Gaskets (if stocked)
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Adhesive Tapes / Butyl Strip (if offered)
Fixings & Spacers
Secure sheets in place:
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Polycarbonate Fixing Buttons (various sizes and colours)
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Fixing Buttons with Spacers
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Spacer Packs Only
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Can I paint uPVC fascia and soffit boards?Technically yes, but it’s not recommended. uPVC fascia and soffit boards come pre-finished in a variety of colours and styles, including woodgrain. Painting them can affect their weather resistance and may void guarantees. If you're after a different look, it's better to choose a board in your preferred finish.
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How do I install fascia and soffit boards?Installation involves: Removing the old boards (if full replacement) Fixing the new fascia to the rafter ends Adding soffits underneath Reattaching guttering securely While capping boards can be fitted over sound timber by confident DIYers, full replacements should be done by professionals to ensure long-term protection and proper ventilation. For more help, check out our Fascia & Soffit Installation Guide.
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What materials are best for fascia boards?uPVC is the most popular choice due to its durability, low maintenance, and wide range of finishes. Timber offers a traditional look but requires regular upkeep. Composite boards combine wood and plastic, offering the appearance of timber with the resilience of uPVC. Need help choosing? Read our guide to selecting the best fascia board for your home.
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What are fascias and soffits, and why are they important?Fascias are the boards fixed to the bottom edge of your roof, where the guttering is attached. Soffits are tucked underneath the fascia, covering the eaves and providing ventilation to your roof space. Together, they protect your home from weather damage, pests, and moisture while giving your roofline a clean, finished look.
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How do I know when to replace my fascia and soffit boards?Signs you may need to replace your fascia or soffits include: Peeling paint or warped boards Evidence of rot or water damage Leaky or sagging guttering Pests nesting in the eaves If you spot any of these issues, it’s best to replace them sooner rather than later to avoid further damage.