Easy To Install Corrugated Roofing
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The best way to choose a coating and colour for your corrugated sheets is by ordering a sample pack.
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High Quality Steel
Manufactured from high-quality coated steel strips, our 13/3 corrugated sheets are produced in accordance with a strict series of quality standards by leading suppliers, giving us traceability and quality control.
Durable Coatings
Steel has long been used as a reliable and durable roof sheet material, and has the added benefit of being recyclable. To produce our pre-coated sheets, a system of multi-layer coatings is applied to the zinc-coated high tensile steel strip and then oven-cured to ensure optimum adhesion. This process gives the corrugated sheets excellent corrosion resistance and climatic protection, together with abrasion resistance and a strong structure.
Advantages of Cladco Corrugated Sheets
- Can be cut to custom lengths
- Lightweight for easy handling and installation
- Durable and hard wearing
- Corrosion resistant
- Excellent rainwater run off preventing build up of leaves and debris
- Sheets provide 990mm coverage when lapped - greater than alternative brands
Typical Uses
- Agricultural barns
- Lean-to covers
- Storage sheds
- Garden sheds
- Garages
- Pergolas
- Carports
- Conservatories
- Contemporary new build renovations
Profile Diagram
13/3 0.5mm
13/3 0.7mm
Coating Options
PVC Plastisol
PVC plastisol is a 200‑micron thick coating of high‑quality PVC, finished with an embossed leather grain texture. Applied to the steel roofing sheets during the manufacturing process, it enhances both durability and long‑term performance.
This coating is designed to strengthen the sheet and significantly extend its service life, typically offering 15-25 years before first maintenance or repainting is required, with an overall lifespan exceeding 40 years in normal environments. PVC plastisol also increases resistance to scratching, weathering, abrasion and other forms of external damage, while providing excellent climatic and UV protection.
Cladco offers a comprehensive choice of eleven PVC plastisol colours, enabling buildings to complement their surroundings. Available colours include anthracite, black, chestnut, goosewing grey, slate blue, vandyke brown, merlin grey, juniper green, moorland green, olive green and white.
Anthracite
RAL7016
Black
BS00E53
Chestnut
BS04C39
Goosewing Grey
BS10A05
Slate Blue
BS18B29
Vandyke Brown
BS08B29
Merlin Grey
BS18B2
Juniper Green
BS12B29
Moorland Green
S12B21
Olive Green
BS12B27
White
BS00E55
Polyester Paint Coated
Polyester‑painted metal sheeting is manufactured from a 25‑micron thick, smooth enamel‑coated steel sheet, offering a cost‑effective solution with reliable weather resistance. With a typical service life of 8-12 years before first maintenance or repainting is required, it provides an overall lifespan exceeding 20 years in normal environments.
The coating delivers a clean, smooth appearance while helping to protect the steel from everyday exposure to the elements. It is well-suited to a wide range of applications where economy and performance are equally important.
We offer customers a choice of five polyester coating colours to suit various design requirements and help buildings blend within their surroundings. Available colours include slate blue, juniper green, white, black and light grey.
Black
BS00E53
Juniper Green
BS12B29
Light Grey
BS00A09
Slate Blue
BS18B29
White
BS00E55
The reverse/internal surface of the polyester box profile roofing sheets is coated with a standard alkali grey wash coat.
Galvanised
Galvanised metal sheeting is supplied unpainted and is available in 32/1000 and 34/1000 box profiles, as well as corrugated profiles. Commonly used across industrial and agricultural buildings, it offers an affordable yet durable roofing solution suited to demanding environments.
The galvanised finish provides dependable corrosion protection while delivering a distinctive metallic appearance. Over time, the surface naturally weathers from a bright, silvery sheen to a more muted, matte patina, adding character and a well‑established look to the building.
Practical, durable and cost‑effective, galvanised sheets remain a popular choice where longevity and function are prioritised without the need for a painted colour finish.
Galvanised
For further information on coatings, take a look at our choice of coatings page.
Dripstop Anti-Condensation
Cladco corrugated roofing sheets are also available with dripstop condensation control - a proven solution to preventing drips from forming on the underside of your roofing sheets, especially in conditions of high humidity.
What is dripstop? Dripstop is an anti-condensation adhesive felt membrane that is applied to all our roofing sheets during the manufacturing process.
How Many Sheets Do I Need?
We don’t want to leave you guessing on how many sheets you will need to order, especially if you are encountering your first roofing project using 13/3 corrugated roofing sheets. Providing a 990mm width coverage once installed, it's important to order the right number of sheets for your project.
Our handy roofing sheet calculator will guide you through how many sheets to order, as well as what potential flashings and accessories you may need. Once finished, our calculator will also provide you with the total cost of your upcoming project.
Installing Your Corrugated Sheets
Providing you with great products you can work with is one thing, but having the right guidance and know-how to complete the job relies on the best help and advice.
For a single-pitch roof, the minimum pitch we recommend is 10°. Laying metal sheets in runs is normally the ideal way to achieve the best start to your roofing project. We recommend starting at the eaves and in the corner away from the direction of the prevailing wind (if it’s a single-sheet run).
For more information and further installation help and advice, take a look at our corrugated sheet installation guide or our roofing Help & Advice page.
Additional Materials
Roof flashings are used to finish the ends and corners of a run of corrugated roof sheets, helping to protect your building against water intrusion as well as being an integral component of your corrugated roof. Flashings are also a good way to enhance the aesthetics of your project.
Additionally, we stock a selection of roofing accessories and purlins that complement and support your roof, helping you achieve a professional and durable finish. Accessories include screws, screw caps, foam fillers and more.
Corrugated Roof Lights
Cladco 13/3 corrugated GRP roof lights are manufactured from translucent heavy-duty 1.5mm thick GRP (glass reinforced plastic), allowing daylight into a property at a transmission rate of over 80%.
Their width and profile match that of our 13/3 corrugated metal roof sheets, ensuring these translucent roof light panels can be installed seamlessly with the 13/3 corrugated roof sheets. GRP translucent roof lights are available in lengths of 2.5m, 3m and 3.5m.
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