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GRP Roofing Cost Calculator

Table for Calculating GRP Roofing Costs

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 the costing of a GRP Flat Roof, please get in touch with Guaranteed GRP or call us now on 0208 702 8063 one of our GRP specialists will be happy to help.

To learn more about GRP Roofing, please click here to view more posts on our blog.