Fire Performance Classification

SANS 428 (SANS 10177 PART 5 & 10) B/B1/2


1.49 *Please see technical datasheet for more on test method

Aluminium Foil (upper) and MPET Foil (under)

Please note, colours are as accurate as screen resolution allows, please view physical samples before deciding on final colour of your roof.

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Marley Radiant Barrier Brochure

Technical Datasheet

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Marley Supreme Double Sided Radiant Barrier

The overall good performance of Marley's Supreme Double Sided Radiant Barrier makes it an economical choice to achieve the desired r-values as part of a full insulation system, by providing the option to significantly reduce the thickness of traditional insulation wools. 

Available in all regions



  • Non-tear structure - high tensile and nail tear strength.
  • Fused structure - no delamination
  • Adheres to SANS 428 fire rating
  • Improved R-Value - improved indoor comfort and reduced consumption, allowing the use of reduced thickness of complimentary insulation wools.
  • Effective dust and moisture barrier - prevents rainwater penetration in extreme conditions