Flat Roof Calculator

Fibreglass Roofing Kits being used by most Contractors require Fire rated properties, this option ensures you comply with building control specifications. Cromar Pro GRP is an advanced system boasting an array of features for more info click here  

Use our Flat Roof calculators for an easy 3 step cost per m2 for GRP or EPDM

  1. GRP Flat Roof Calculator 

    • For GRP Roofing Kits
    • Use our online Flat Roof calculator
    • Get the exact GRP Roof kit you need.
  2. EPDM Roof Kit Builder

    • For EPDM Roofing Kits
    • Use our online EPDM Fkat roof calculator
    • get the exact EPDM kit you need.