Product Comparison

Breather Membrane

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NamePermavent APEXPermavent BLACKPermavent DRY+Permavent ECOPermavent GRAPHITEPermavent MAX ALL ZONESPermavent METALPermavent RED
DescriptionAir Permeable ExtraHigh performance vapour permeable membraneHigh Performance MembraneLightweight vapour permeable membraneHighly durable vapour permeable membraneHigh Performance vapour permeable MembraneCondensation Control for Metal RoofingUltra Strong vapour permeable Membrane
  • Air and vapour permeable membrane
  • Integrated tape (untaped option available)
  • BBA Certified
  • No need for ventilation
  • Highly breathable
  • Black on both sides
  • Value membrane
  • High performance construction membranes
  • Vapour permeable
  • Integrated tapes, suitable in all UK wind zones
  • Low cost membrane
  • Versatile
  • Highly durable
  • Excellent tensile strength
  • Excellent tear resistance
  • Suitable for all wind zones regardless of fitting method
  • Universal
  • For standing seam and fully supported metal roofing
  • Superior tensile strength
  • Superior tear resistance
  • For use on any types of roofing/walling applications
Water tightness, classW1W1w1W1W1W1W1W1
Elongation at max. tensile force (MD), %5670606050607570
Elongation at max. tensile force (CD), %68609070607010070
Weight, g/m218012090130150440160
Maximum tensile force (MD), N/50mm330300260245300320350
Maximum tensile force (CD), N/50mm270200170175200200240
Resistance to tearing MD (nail shank), N210120100130100150140
Resistance to tearing CD (nail shank), N210160120140100200230
Water vapour transmission (sd),m0.
Taped Lap1-51-51-51-51-51-5
Batten Lap1-31-211-31-5
Water vapour transmission (sd), m0.010.02
Weight, g/m²220
Tensile strength to EN12311-1 (MD), N/50mm480
Tensile strength to EN12311-1 (CD), N/50mm310
Nail tear resistance to EN12310-1 (MD), N/50mm260
Nail tear resistance to EN12310-1 (CD), N/50mm380
UV Stability, months3
Acoustic damping value, db8