Corotop® Roof Underlay – Breather Membranes for Pitched Roofs

COROTOP® BREATHER MEMBRANES OFFER MORE THAN RESISTANCE!

  • Flexible three-layer polypropylene sheet
    materials for use as roof tile underlays
  • For use in cold ventilated or non-ventilated
    roofs, or in warm non-ventilated roofs
  • BS 5534 / IS 2002
  • NSAI Cert. No. 11/0367
  • Agrément Certificate 13/5025 with the key factors assessed:
    – Water tightness
    – Risk of condensation
    – Wind loading
    – Strength
    – Durability

COROTOP BREATHABLE ROOFING MEMBRANES – PRODUCT PROPERTIES

 Base Weight  Watertightness  Vapour Permeability  Roll Size
Corotop® Grey  100 g/m2  W1  Sd 0.02m  75m2 (1.5 x 50m)
Corotop® Beige 120 g/m2  W1  Sd 0.02m  75m2 (1.5 x 50m)
Corotop® Blue  140 g/m2  W1  Sd 0.02m  75m2 (1.5 x 50m)
Corotop® Strong 160  160 g/m2  W1  Sd 0.02m  75m2 (1.5 x 50m)
Corotop® Corotex  165 g/m2  W1  Sd 0.02m  75m2 (1.5 x 50m)
Corotop® Red Strong  180 g/m2  W1  Sd 0.02m 75m2 (1.5 x 50m)

 

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