Our simple GRP roofing calculator helps you create the perfect roofing kit in minutes. Simply select the specifications and size of your roof. Our calculator will generate a bespoke GRP roofing kit that meets your needs.
Get started with our calculator today.
How Our Roofing Calculator Works


Step One: Input Your Information
Enter the edge type and size of each side of your roof.


Step Two: Make Your Selections
Choose which type and colour of GRP roof kit you want. You can also customise the kit with additional items, such as:
• Trims
• Corners
• Flashings


Step Three: Place Your Order
We’ll ship your customised GRP roofing system to your front door.
Hear What Our Happy Customers Have to Say
The goal of our GRP roofing calculator is to make preparing for your upcoming project easy and stress-free. Read about how our other customers used our calculator to get everything they need.
Excellent quality
Excellent quality, fast shipping; I received my order the morning after I placed it. I appreciate your help.
Thomas Sims
Great service easy to order from the website
Great service easy to order from the website but also able to call for advice fast delivery.
Sebastian Jennings
Decent products with a fast delivery
Decent products with a fast delivery, turned up the next morning. Thank you.
James J
Design Your Roofing Kit With Out GRP Roofing Calculator
Are you ready to get started? Use our GRP roofing calculator and we’ll calculate everything you need for your project.