Glidevale Protect VP400

Select regional version:


The object content is configured for use in UK, but it may also be suitable for use in other locations.


Protect VP400 PLUSLR is a highly vapour permeable roof underlay. It offers the lowest vapour resistance of any type LR roofing underlay in its class, helping to avoid the risk of harmful condensation, whilst remaining completely airtight.

Features and Benefits:

  • Highly vapour permeable, but completely airtight.
  • Completely watertight with >7.0 m water resistance.
  • Strongest underlay in its class and weight range.
  • UV and heat resistant.
  • Tough and durable.
  • Can be used as temporary roof covering.
  • Has ‘unrestricted’ use for wind uplift in all exposure conditions in the UK and Ireland (BS 5534, zones 1-5 at 345 mm batten gauge).
  • BMTRADA independently certified.
  • Helps to avoid condensation risk in the roof space in accordance with BS 5250 and NHBC requirements.
Platform Compatible Version Certified to
Revit Revit - 1 -

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