Laying a roof requires planning and organisation. With the Onduline Roofing Calculator tool, you can get a summary of how much product you might need in 3 simple steps. 

Firstly, remember to measure the size of the roof (height, width and length) to help get you started.

Please note: this calculator is for guidance only, please consult your Onduline stockist before purchase and refer to the fixing guides found on each product page for further details.

Our calculator will help you to define how many roofing products and accessories you will need to develop your project.

Discover Onduline

Onduline Building Products is a well-established UK supplier of lightweight bitumen corrugated roof sheets and under-roofing products, as well as a range of building plastics.

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