This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Polymer modified mastic asphalt warm roof system with PIR Insulation.
Suitable for application over:
- Concrete
- Plywood
- Metal
- Existing built up roofing.
Permaphalt is manufactured in the UK.
BBA Certified No. 89/2299
Warranty available up to 20 years.
BROOF(T4) fire tested: contact our technical team for more information.
Contact our technical team for specification.
No downloads
Roof Type
Warm Roof
Waterproofing Type
Hot Applied
Insulation Type
PIR
Deck Type
Concrete
Plywood
Metal
Existing Built Up Roofing
Uniclass
Case Studies
7 September 2021
Private House, Chichester
Sustainability and blending in with the natural environment were the criteria for the re-design and extension of this home near Chichester, West…
Read more
21 December 2020
Spencer Courtyard, Finchley, London
Sustainability and creating a lush, haven of greenery were key considerations for award-winning architects and designers kennedytwaddle when turning a derelict eyesore…
Read more
14 December 2020
Imperial Court
Situated on the trendy Streatham high street Imperial Court has been designed to meet the growing need for well designed but affordable…
Read moreKnowledge Hub
15 April 2024
AccuRoof®: The new name for SIG Design and Technology
Trading Director Robert Edwards explains why SIG Design & Technology is rebranding to AccuRoof®, and what this means for its specifier-led customer…
Read more
15 February 2024
The GRO Green Roof Code – a Green Roof Guide to Best Practice
The 2021 anniversary edition of the GRO Green Roof Code includes guidance on blue roofs, biosolar roofs and biodiversity net gain.
Read more
1 February 2024
Lucent W1: How the complex roof was built
Behind the iconic Lights of London’s Piccadilly Circus a new mixed use development features one of the most complex roofs ever to…
Read moreSpeak to our roofing specialists
Contact us for accurate, impartial advice
Take control of your roofing project from the very start.