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Ultraperm Standard Breathable Membrane Anthracite 1.0m x 50m (50m2)
Product Code:
ULTRAPERMSTD
- 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
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