POWERLON® Roof & building membranes
01347 825200
UltraPerm Roofing Underlay
A high performance underlay for all pitched roof types and walls in timber frame structures. Can be used on warm and cold, supported and unsupported, ventilated and unventilated roofs.
- BBA certified and CE approved
- Four grades available
- Breathable with high water vapour permeability
- Exceptional W1 water resistance
- High tensile strength and nail tear resistance
- Pre-printed marking lines
- Independently tested for full compliance with BS 5534:2014 + A2:2018

UltraPerm Customisation
- Bespoke printing available on the UltraPerm range
- Enhance the visibility of your brand on site
- Quality repeat logo printing
Powerlon Projects
Kilmeny Denny2020-10-29T12:14:34+00:00
Popping Up in Elephant & Castle
Powerlon UV Colour FR at Castle Square, London
Emily Blythman2020-03-10T14:31:41+00:00
World Class Stadium for World Cup 2022
Powerlon Vapour Control Layer 170 at Al Rayyan Stadium, Qatar
Emily Blythman2019-12-17T11:59:36+00:00
Wonderland of Snow in Oman
Powerlon VCL250 providing high vapour resistance for a new snowpark in Muscat, Oman.
Emily Blythman2019-12-17T12:05:54+00:00
Raising the sporting standard in Southampton
Both flame retardant and UV resistant, breather membrane Powerlon UV Color FR being used in a new sports centre, Southampton.