Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

GRP Roofing Cost Calculator

Are you considering purchasing a GRP roof and want to calculate how much one would cost for your own unique situation? If so, the table below is for you. As you can see there are three main factors aside from the meterage which will affect the final price. The guarantee length, whether a balcony space is required and if an existing roof needs to be removed.

Table for Calculating GRP Flat Roof Cost Per m2

Guarantee Length

New Work: Basic spec/ OSB/ Trims

Added Balcony Spec

Strip/ Replace/ Re-deck/ Trims

15 Year




20 Year




25 Year




30 Year




40 Year




If you would like any more information on a new fibreglass flat roof project, please get in touch or call us now on 01277 375 511 one of of the friendly RJ Evans team will be happy to help.