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Bitumen Roof Sheets Calculators

Work out exactly how many sheets, flashings, and fixings you’ll need for your project with one of our easy-to-use bitumen roof sheets calculators. We’ve created calculators for each of the top names in bitumen roofing, including Corrapol-BT, Coroline, and Onduline. All it takes is a few simple measurements, and a few clicks. There’s no easier way to get your project underway ASAP.

Onduline Onduline
Manufacturer Guarantee 15 Years
Delivery Time 3 - 5 Days
Sheet Thickness 3mm
Corrugation Width/Height 95mm x 38mm
Price Per M2 £8.64 Calculate
Coroline Coroline
Manufacturer Guarantee 15 Years
Delivery Time 3 - 5 Days
Sheet Thickness 2.6mm
Corrugation Width/Height 95mm x 38mm
Price Per M2 £7.51 Calculate
Frequently Asked Questions

How Do I Use These Calculators?

To use one of our bitumen roof sheet calculators, you simply need to select the type of roof that you have, and enter its dimensions on the next two screens. Then, our calculator will tell you how many bitumen sheets, flashings, and fixings you’ll need to cover the roof you entered. If you’re happy with the result, you can then add the materials to your basket ready to check out.

Can I Choose What Colour Bitumen Sheet I Want?

Yes, on the final calculator screen (“Results”), you’ll be able to choose between black, red, green, and brown bitumen sheets.

Can Someone Else Use the Calculator for Me?

If you don’t feel comfortable using our calculators, get in touch with our award- winning customer service team. As long as you know the type of roof that you have and its size, they’ll be able to do the calculations for you. Simply call them on 01295 565 565, email [email protected], or use our handy live chat to get in touch.