Monofilament 250 VB Vapour Control Layer - 50m x 4m

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£684.28 Incl. VAT
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Product Description

The Monarflex monofilament 250 VB vapour control layer is a vapour resistant product manufactured from two layers of LDPE. Combined with a reinforcement HDPE grid, it provides a thin, stable, high performance vapour control layer for various applications.

The Monofilament VCL is also highly resistant to tears and punctures. Better yet, its an inexpensive favourite among roofers and insulation installers alike. This ensures no water penetrates the construction.

Features & Benefits: Monofilament 250 VB Vapour Control Layer - 50m x 4m

  • Suitable for schools, offices and even domestic bathrooms
  • Clear in colour with a visible black grid
  • Available in 2m and 4m widths
  • Highly resistant to tears and punctures


  • The monofilament vapour control layer is suited for low to medium humidity areas. You can use it in schools, offices and even domestic bathrooms. Anywhere where lightweight construction is needed. When installing the Monofilament vapour control layer, you can do so in timber frame and metal frame walls. You can also install the VCL in warm deck single-ply flat roofs and low-pitch metal roofs.

Product Specification

  • Length: 50m
  • Width: 4m
  • Surface Finish: Clear with a black grid
  • Material Thickness: 0.25mm
  • Water Vapour Resistance: 530 MN.s.g-1
  • Water Vapour Transmission:
  • Tensile Strength: 5.9kN.m-1
  • Thermal Stability: -40 deg C to +75 deg C
  • Weight: 50kg/roll

Product Documents

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WIDTH 4000mm LENGTH 50m


Permeability Vapour Barrier
Air Tight
Roll Size 200m2

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