• CTF - Ultra Inverted

CTF Ultra ® SAS Inverted

CTF Ultra ® SAS Inverted is a ‘hybrid’ system combining a specially manufactured EPS board with CTF Ultra (foil encapsulated) suitable for use with inverted roofing systems, available as flat board or a tapered scheme to give any fall required. It is robust and requires no special handling or storage.

Download Technical Data Sheet (PDF)
SKU: CTF Ultra ® SAS Inverted Category:


  • CFC, HFC and HCFC-free
  • Ozone Depletion Potential of zero
  • Global Warming Potential <5
  • BRE Green Guide A generic rating
  • Easy handling and installation

U Values

Each scheme is individually designed to achieve the required U value. Contact our technical department for further information.


Must be installed in accordance with manufacturer’s recommendations. Contact our technical department for further information and compatibility.

Thermal Conductivity

EPS 0.033 W/mK
CTF Ultra 0.014 W/mK

Compressive Strength

EPS – 200 kPa @ 10% compression

Board Size

1200 x 600mm


Designed to achieve the required U value