Step 1 Measure Your Roof Step 2 Select Roof Edges Step 3 Select Your Ancillaries Step 4 Review Your Solution

Your Roof Size

To get started, let us know the actual size of your roof (not the size of the membrane required). Enter your measurements either in Metric or Imperial.

Length:  Width:  




Please enter the “EXACT Roof Size”, not the membrane size. Our calculator will automatically calculate the membrane required based on your roof size. It will also provide you the ability to tailor the membrane size further in Step 3 if so required.