A range of vapour-permeable underlays, independently tested and suitable for all wind uplift zones in accordance with BS 5534.
Braas - Taunus Pfanne - Underlay

High-quality protection. Withstands the strongest winds.

The BMI Redland underlay system provides a heavy-duty wind-tight system for your roof. Our Spirtech and Divoroll vapour-permeable underlays integrate smart features, such as integral glue-strips, superior tear-resistance and a reinforced grid, so that installation is quick and easy.

Independently tested by the BRE, all our underlays exceed BS 5534 requirements and are suitable for all wind zones.

Main features

  • Fully compliant with BS 5534 and BBA Certified

  • Suitable for all wind zones throughout the country (1-5)

  • Strong and durable with reinforced grid

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