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  

EPDM Roofing kits, a popular choice among Flat Roofing Contractors and DIY users alike. Take a look at the easy to use Rubber roofing Calculator. 3 easy steps for a full quote 

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

  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 Calculator

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

Need a low cost GRP Roof Kit by m2?

We have a full selection of 450g GRP Roof materials and 600g Roofing kits for DIY and Trade users

  1. 450g GRP Roofing Kits 

    • For Light Foot Traffic
    • Use on Domestic Flat Roof Types
    • Get the exact GRP kit you need by m2.
  2. 600g GRP Roofing Kits

    • For Foot Traffic
    • Use on Commercial Flat Roof Types
    • Get the exact GRP kit you need by m2.