Roofshield is a unique, three - layer, nonwoven, spunbonded, polypropylene breather membrane with a patented melt - blown core. It is intended for use as a pitched roof underlay (breathable roofing felt) and is fixed beneath tiles and slates.
Comes in a roll
Does not rot
Provides a secondary barrier to the ingress of rain, wind and snow
It has low vapour resistance and is air permeable; additionally, it eliminates the incidence of interstitial condensation in pitched roofs
Eliminates low and high level ventilation