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Glidevale Protect Wunderlay Impermeable Felt HR Roofing Underlay - 45m x 1m Roll

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£39.88 Incl. VAT
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Glidevale Protect Wunderlay 1m x 45m Impermeable underlay for pitched roof construction. Glidevale Protect Wunderlay is a high performance roofing underlay, developed to overcome the disadvantages of traditional Type 1F felts and plastic sheet materials. Excellent nail tear strength and tensile strength and fully waterproof. Can also be used as a temporary roof covering.

Glidevale Protect Wunderlay is a lighter alternative to Glidevale Protect A1 type HR roofing underlay, developed to overcome the disadvantages of traditional Type 1F and 5U felts and second generation plastic sheet materials. It has good strength and nail tear resistance and is independently certified by BM TRADA.

Glidevale Protect Wunderlay provides a secondary line of defence against wind driven rain and snow and resistance to wind uplift. Being entirely waterproof it can be used as a temporary roof covering.

Please note this product does not require the joints & laps to be taped but must be battened correctly.


Length: 45m.
Width: 1m.
Roll size: 45m2.
Roll weight: 5.7kg.
Weight: 120gsm.
Brand: Glidevale Protect.


  • Easy to cut, clean and light to handle.
  • Proven time saving over traditional felts.
  • Completely waterproof.
  • Excellent nail tear and tensile strength.
  • Independently BMTRADA and CE certified to ensure compliance with BSEN 13859-1
  • For use in zones 1-4 at 345mm batten gauge.


Length 45m Width 1000mm


Permeability Vapour Permeable Roll Size 45m2

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Glidevale Protect Wunderlay Impermeable Felt HR Roofing Underlay - 45m x 1m Roll

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