Your Insulation Choice

There are many aspects that need consideration when selecting the insulation type to use within a flat roof assembly. No one generic insulation type satisfies all performance criteria, some of which noted below:

  • Maximum thermal performance/minimum thickness
  • Enhanced Fall
  • Compressive strength
  • Combustibility status
  • Cost
  • Membrane compatibility
  • Use of roof
  • Acoustics
  • Weight added to the structure.

To assist you in your choice of insulant, see below a table highlighting the key characteristics of each insulation type.

The table also includes a comparative indication of product costs, 1 being the most cost effective and 6 being the costliest.

Not all insulants are suitable in all applications.

OatKing Resource Hub

Our resource hub contains useful product data and technical information for a wide range of insulation types, along with industry standards and guidance from roofing affiliates.