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Covertek 407 synthetic underlay
Kingspan Thermakraft Ltd -
DuPont™ Tyvek® Supro Roof Underlay (2506B)
DuPont (NZ) Ltd -
SOLITEX UM CONNECT Roofing Underlay
Pro Clima NZ -
Drainage Mat synthetic drainage and ventilation
Kingspan Thermakraft Ltd -
HYDRA Roof Underlay
Marshall Innovations -
Masons VHP Strong Roof Underlay
Masons NZ Ltd