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.

3 Step Calculator

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.

Find out more by clicking through the options.