Powerlon UltraPerm, a versatile breather membrane, has been developed to cater to all types of roof design. Whether it’s a warm or cold, supported or unsupported, ventilated or unventilated roof, UltraPerm serves as a high-performance underlay with BRE certification and coverage that extends to the UK and the Republic of Ireland.
This non-woven composite membrane exhibits exceptional water vapour transmission, hydrophobic properties (water repellence), and effective UV stabilisation. It also functions as an excellent air barrier, enhancing the overall airtightness of the building.
Features & Benefits: Powerlon UltraPerm Lite Vapour Permeable Roofing Felt – 50m x 1.5m
- 92gsm grade
- Can be used for walls as a breather and air barrier
- Universal breathable underlay for any roof design
- High water vapour permeability, high nail tear strength and high tensile strength
- Exceptional water resistance
- Includes pre-printed marking lines and illustrated installation instructions with each roll
- Flame retardant
Powerlon UltraPerm stands out as a state-of-the-art third generation breather membrane suitable for both traditional cold roofs and modern warm roof installations, as well as pitched roofing felt, metal clad roofs and breather wall protection. It boasts toughness, tear resistance, and durability, surpassing the performance of traditional felts.
Standards & Certification
- Manufacturing: to ISO EN 9001 quality assurance with full batch traceability
- Certification: BRE certified






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