Protect VP300 vapour permeable underlay

  • Product: Protect VP300 vapour permeable underlay
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  • Logo: Autodesk Revit

Protect VP300 is a medium weight vapour permeable roof underlay with a vapour resistance better than that required by BS 5250 to help reduce the risk of harmful condensation in the roofspace. With a strength greater than many other underlays in its class, Protect VP300 is suitable as a secondary line of defence against wind driven rain and snow for all pitched roofs, including fully supported applications.

Features & benefits

  • Easy to cut and lightweight to handle.
  • Completely water and airtight with >2.0m head of water resistance.
  • UV stable and heat resistant.
  • Good all round performance for its weight and one of the best in its class.
  • Suitable for use in Zones 1-3 at 345mm batten gauge, without the need for additional sealing tapes.
  • Can be used as temporary roof covering.
  • Resistance to wind pressure – 1198Pa, tested to BS 5534.
  • Fully independently certified by BM TRADA.
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