Monarflex Monofilament 250 VB Vapour Control Layer

Monarflex Monofilament 250 VB Vapour Control Layer

Monarflex Monofilament 250 high performance vapour control layer is for use in buildings with low and medium levels of humidity, such as schools, offices and domestic bathrooms.  It is suitable for use on both new and refurbishment projects.

Monarflex Monofilament 250 is a three layer vapour control layer produced from two layers of low density polyethylene (LDPE), with a reinforcing grid of high density polyethylene (HDPE) built-in. The reinforcing grid gives Monofilament 250 a high tear and puncture resistance.

Monarflex Monofilament 250 vapour control layer may be use in lightweight constructions such as low-slope insulated metal roofs and cladding, timber or metal frame walls, and with warm deck single-ply membrane flat roofs.

Features & Benefits

  • Three layer membrane giving high performance .
  • Reinforcing grid provides high strength and tear resistance.
  • Suitable for low to medium levels of moisture control.
  • Stable across a wide temperature range.
  • Two roll widths available; 2m and 4m.

Product Availability

Product Code Description Roll Size Roll Weight
3002779 Monarflex Monarfilament 250 VB 50m x 2m 25kg
3002780 Monarflex Monarfilament 250 VB 50m x 4m 50kg


Product Data and Performance

Product Data
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 °C to +75 °C
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