Monarflex Reflex 275 Vapour Control Layer

Monarflex Reflex 275 Vapour Control Layer

Monarflex Reflex 275 high performance vapour control layer is for use in buildings with high humidity, including sports halls, swimming pools and leisure centres.  It is suitable for use on both new and refurbishment projects.

Reflex 275 is a five layer vapour control layer produced from virgin polyethylene, with a reinforcing grid of high density polyethylene built-in. The reinforcing grid gives Reflex 275 exceptional strength, and a very high tear and puncture resistance. An aluminium foil layer enhances the vapour resistance of Reflex 275 to an exceptionally high performance.

Reflex 275 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

  • Five layer membrane giving exceptional performance .
  • Reinforcing grid provides high strength and tear resistance .
  • Aluminium foil layer increases vapour resistance to exceptionally high levels .
  • Stable across a wide temperature range .
  • BBA Approval Cert No. 01/3810.

Product Availability

Product Code Description Roll Size Roll Weight
3002767 Monarflex Reflex 275 25m x 2m 16.5kg


Product Data and Performance

Product Data
Surface finish: Blue top surface, grey underside
Material thickness: 0.35mm
Water vapour resistance: >43000 MN.s.g-1
Water vapour transmission: <
Nail tear strength:

150N(1) \168N(2)

(1) Machine Direction , (2) Transverse Direction

Thermal stability: -40 °C to +75 °C
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