IKO Permaphalt

IKO Permaphalt

IKO PLC Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Polymer modified mastic asphalt roof waterproofing.

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Suitable for insulated warm roofs, un-insulated cold roofs and inverted/ green roof configurations.


A specially formulated mastic asphalt roofing using advanced polymer technology to provide a combination of long-term durability, increased fatigue resistance, improved temperature stability and ease of installation.

It can be applied to form a continuous waterproof covering over flat, sloped or curved surfaces. It can be worked round pipes, roof lights and other projections to provide a completely seam free membrane.

Features and benefits:

  • Fire performance achieving BS 476-3: FAA.
  • Completely seamless waterproofing.
  • Long term durability with high fatigue resistance.
  • Advanced polymer modification.
  • Enhanced product stability across a wide temperature range.
  • Conforms to Carbon Zero Standards.
  • Easily recyclable and environmentally non-polluting conforming to Carbon Zero initiative.
  • BBA approved (Certificate No. 89/2299).
  • 20-year guarantee.


Suitable for insulated warm roofs, un-insulated cold roofs and inverted/ green roof configurations.

General information


Polymer modified mastic asphalt

Uniclass 2015

Pr_35_31_05_72 Roofing, tanking and flooring mastic asphalt (MA)Primary


J21/10 Warm deck roof coating

J21/115 Warm deck roof coating

J21/125 Inverted roof coating

J21/135 Cold deck roof coating

J21/185 Skirtings/ Vertical work

J21/20 Skirtings/ Vertical work

Specification data - Roofing, tanking and flooring mastic asphalt (MA)

Product Reference

IKO Permaphalt

Standard product features


Polymer modified mastic asphalt.




2.2 kg/m²/mm of thickness.

Coefficient of cubic expansion:

15 x 10^-5/°C.

Fire performance (to BS 476-3):



Third party certifications

Additional certifications:

  • Loss Prevention Certification Board (LPCB): Certificate no. 666A : Approved