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Corotherm 16mm Clear Triplewall Polycarbonate Roof Sheet

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£29.89 Incl. VAT
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Corotherm multiwall polycarbonate is the light weight, impact resistant, insulating glazing sheet from Ariel Plastics. Suitable for a wide range of roofing and glazing applications around the home and garden including canopies, veranda covers, carports and greenhouses, Corotherm sheets are available in clear for maximum daylight and a range of solar controlling tints. Full sheets can be purchased from the range of standard sheet sizes or the Cut to Size service allows customers to order to their exact size requirements. Corotherm sheets are easy to cut, handle and install and carry a 10 year warranty.

Multiwall polycarbonate

We offer a wide range of multiwall polycarbonate glazing sheet and accessories for roofing and glazing applications around the home and garden. Whether you are installing a canopy, carport or replacement roof glazing, we have the perfect solution for your project. Choose from the range of standard sized multiwall polycarbonate glazing sheets or use the cut to size service to order to your exact size requirements. For a complete roof pack service choose from the ready to install self supporting roof system or order multiwall polycarbonate installation accessories for your timber supported roofing system.


• Excellent protection : against hailstones, vandalism and accidental damage.
• Insulating glazing : which can achieve a sheet uValue of 2.4 W/m²K.
• Fine optical clarity : clear material maximises light getting into the conservatory - light transmission of 77%.
• Creates : a bright and spacious feeling environment.
• Maximises : solar gain.
• Perfect : for sun lovers.
• Will : require blinds to prevent overheating in the summer months.
• High strength : weight ratio.
• Cost effective : as sheet weight is low, support structures can be lighter providing cost effective buildings.
• Up to "Class 1" fire rating : polycarbonate is a self-extinguishing material which will melt away from the flames, stopping as soon as the source is removed. Note: 6mm Twinwall does not have a Class 1 fire rating.

Corotherm provides high levels of insulation.

The Corotherm range by Ariel comes with a 10 Year Guarantee.


WIDTH 900mm
LENGTH 3000mm


Size 4000mm x 1050mm
2000mm x 1600mm
2500mm x 1600mm
3000mm x 900mm
3000mm x 1220mm
2500mm x 900mm
2500mm x 1220mm
2000mm x 980mm
2000mm x 900mm
2000mm x 1220mm
2000mm x 1050mm
3000mm x 2100mm
Colour Translucent Material Polycarbonate

Questions & Answers


Do you send out samples?


Samples are sometimes available on this range, for us to check please email your request along with your address to sales@roofingsuperstore.co.uk.


Didn't you have a calculator to work out what you needed to go with this? It was really good and listed everything I needed to buy.


I am afraid we have never had a calculator for this system, if you wanted to email a plan/drawing to sales@roofingsuperstore.co.uk we can put together a quote for you.


Hi there, do you sell the side fittings that close the edges?


Yes please find a link to the side flashing pieces below.



Fixing instructions


You can download this from the product documents section above on this page.


5 / 5 3 reviews
Reviewing Corotherm 16mm Clear Triplewall Polycarbonate Sheet - 4000mm x 1050mm
7th November 2021
Great, easy to cut, quite thick and sturdy
Jim Thomson
Reviewing Corotherm 16mm Clear Triplewall Polycarbonate Sheet - 2000mm x 900mm
2nd September 2021
Great choice of sizes work well with my roofing challenge
Mrs Doreen Farr
Reviewing Corotherm 16mm Clear Triplewall Polycarbonate Sheet - 2000mm x 1050mm
18th September 2020
Good product delivered on time.
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Corotherm 16mm Clear Triplewall Polycarbonate Roof Sheet

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