Procheck Premier 500 is a strong reinforced polyethylene vapour control layer with good vapour resistance. The woven extruded polypropylene multifilament scrim reinforcing provides improved nail tear resistance.

The sheet is translucent to ease the installation and later inspection of support arrangements, and is the grade utilised by many leading system manufacturers.

Key features

  • Material: reinforced polyethylene

  • Roll size: 2 x 50m

  • Thickness: 0.5mm

Advantages

  • Unaffected by chlorine

  • UV-stabilised

  • Low / medium risk - eg offices, school, houses

  • Translucent

  • Reinforced

Technical properties

  • Mass per unit area: to be no less than 236g/m²

  • Water vapour resistance: to be no less than Sd 100m when tested to EN1931

  • Tensile strength: to be no less than MD 280N/50mm; CD 170N/50mm when tested to EN 12311-1

  • Nail tear resistance: to be no less than MD 150N; CD 230N when tested to EN 1231

  • Elongation: to be no greater than MD 35%; CD 30% when tested to EN 12311-1