Details
Powerlon UltraPerm Max is a high performance breathable underlay for all pitched roof designs. It is tough, durable and tear resistant with exceptional water vapour permeability and hydrophobic (waterrepellent) characteristics.
Grade: 155gsm. UltraPerm is BBA certified for warm and cold, supported and un-supported, ventilated and un-ventilated roof constructions and walls throughout the UK. UltraPerm is a non-woven composite membrane which is tough, tear resistant anddurable with superior performance to traditional felts. Marking lines are printed directly onto the felt for ease of application. Each roll has fully illustrated installation instructions for all roof designs. UltraPerm is a top of the range fourth generation breather membrane for traditional cold roofs and modern warm roof installations. It is available in 1.5m widths.
Features • Universal breathable underlay for all roof designs. • British Board of Agrément (BBA) certified. • CE approved. • High water vapour permeability (breathability). • Exceptional water resistance. • High tensile strength. • High nail tear resistance. • Flame Retardant Class E. • Pre-printed marking lines. • Fully illustrated installation instructions supplied with each roll. • Manufactured to ISO EN 9001 quality assurance with full batch traceability. • Customised printing available.
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