, absorbent and breathable synthetic self-supporting roof underlay constructed using a microporous water resistant film sandwiched between two layers of spun-bonded polyolefin. designed as a means of managing condensation, water vapour transfer and water ingress in roof applications. read more covertek...
, absorbent and breathable synthetic self-supporting roof underlay constructed using a microporous water resistant film sandwiched between two layers of spun-bonded polyolefin. designed as a means of managing condensation, water vapour transfer and water ingress in roof applications. read more covertek...