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Glidevale Protect VP400 Plus LR Vapour Permeable Felt Underlay - 50m x 1m

Code:
VP400-50

This VP400 Plus LR felt underlay from Glidevale Protect is highly vapour permeable and resistant to heat and UV exposure. It provides the lowest vapour resistance and is the strongest of any Type LR roofing underlay in its class/weight range while remaining completely airtight...Read More

£112.86 Incl. VAT
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Description

This VP400 Plus LR felt underlay from Glidevale Protect is highly vapour permeable and resistant to heat and UV exposure. It provides the lowest vapour resistance and is the strongest of any Type LR roofing underlay in its class/weight range while remaining completely airtight.

Suitable for use in all pitched roofs, this durable underlay has unrestricted use for wind uplift in all exposure conditions in the UK and Ireland and can be used for zones 1 to 5 at 345mm batten gauge. It is ideal for helping to prevent the risk of condensation in your roof space in accordance with NHBC requirements and BS 5250 and can also be used as a temporary roof covering.

Features & Benefits: Glidevale Protect VP400 Plus LR Vapour Permeable Felt Underlay - 50m x 1m

  • Can be used as temporary roof covering
  • Completely watertight > 7.0m water resistance
  • Highly vapour permeable yet fully airtight
  • Suitable for zones 1 to 5 at 345mm batten gauge
  • UV and heat resistant
  • Durable and tough
  • CE marked
  • 9.86kg roll weight/170gsm weight
  • 50m² roll size
  • 1m width x 50m length

As the air tightness of dwellings and buildings continues to be improved due to new practices and better workmanship, it is recommended to regulate air movement within your structure, including through a roof underlay in roofs with an air barrier or vapour control layer.

One of the main functions of roof underlays is to help control the wind load pressures on your roof. To accomplish this, the underlay should have adequate mechanical properties to be capable of deflecting the wind load pressures safely over the structure. It is also essential for the underlay to be air and water tight. Air permeability lets air penetrate the membrane which makes it much harder to withstand wind-driven rain and the maximum wind load pressures without alternative surface treatments.

Standards & Certification

  • Certification: CE marked and BM TRADA certified

Please note:

  • This product does not require the joints and laps to be taped but must be battened correctly.

Dimensions

Length 50m Width 1000mm

Details

Application Pitched Roofs Permeability Air Tight Roll Size 50m2 Range Protect VP400

Questions & Answers

Question:

Can it be used with metal roof? What are the different class/weight range?

Answer:

Not designed for metal roofs - all the spec's are under the download section

Question:

When using self adhesive shingles on a log cabin, can you use vp400 plus as an underlay. If so how is it fixed to the food boards. Thankyou

Answer:

You could tack this down as an underlay.

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Glidevale Protect VP400 Plus LR Vapour Permeable Felt Underlay - 50m x 1m

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