Powerlon Ultraperm Max 155gsm Breather Membrane 1.5m x 50m Roll

Powerlon Ultraperm Max 155gsm Breather Membrane is a high performance non-woven composite breathable underlays for all pitched roofs and timber frame wall applications. Powerlon Ultraperm Max is tough, durable and tear resistant with exceptional water vapour permeability and water repellent characteristics. It is The BBA certified. Detailed installation instructions and a colour-coded geographical suitability guide per wind zone and membrane grade is included in every roll. Manufactured to internationally recognised European and British Standards.

CHARACTERISTICS

• Low cost roof and wall breather membrane,
• Lightweight and easy to handle,
• High tensile strength and nail tear strength,
• High water vapour permeability,
  
• Waterproofing membrane,
• BBA certified for roofs and walls.

APPLICATION

• For pitched cold and warm roofs,
• For timber frame wall applications.

CERTIFICATION

• Quality Assured to ISO 9001,
• BBA certified, Certificate No 13/5037,
• BS 5250, Code of Practice for the control of condensation in buildings.
• BS EN 12310-2:2000, Flexible sheets for waterproofing. Determination of resistance to tearing (nail shank).
• BS EN 13501-1, Fire classification of construction products and building elements. Classification using test data from reaction to fire tests.
• BS EN 13859, Flexible sheets for waterproofing. Definitions and characteristics of underlays. Underlays for discontinuous roofing.
• BS EN 1931, Flexible sheets for waterproofing. Bitumen, plastic and rubber sheets for roof waterproofing. Determination of water vapour transmission properties.
• BS 5534:2014 + A1:2018, Revised code of practice for slating and tiling.
• IP4/06 Building Research Establishment, Airtightness of ceilings, energy loss & condensation risk.