Permo sec metal  

 

Permo® sec metal is a vapour permeable waterproofing barrier that is installed as a separating layer between copper, zinc, aluminium and stainless steel standing seam roof finishes and the supporting deck.

  • Weight 390g/m2
  • Thickness 8.5mm
  • Water vapour transmission EN 1931 (sd-value) 0.03m
  • Resistance to water penetration EN 1928 W1
  • Resistance to air penetration < 0.1m3/m2 h 50 Pa
  • Tensile strength 275N/50mm, 230N/50mm
  • Tear strength/resistance 170N, 185N
  • Material(s) Outer layer of polypropylene mesh bonded to a vapour permeable membrane. 4 layer fleece foil combination of polyolefin, hydrophobic treatment and PP monofilament mesh.
  • Fire resistance Class (EN 13501-1) E
  • Resistance to heat (EN12101-2) -30ºC to +80ºC
  • UV exposure 4 months
  • Suitability/use Suitable for copper, zinc, aluminium and stainless steel standing seam roof finishes and the supporting deck.