Sky Tunnel Skylights & Green-vent Attic Fan and Wind Vent Are Resistant to Rain Penetration

Sky Tunnel Tubular Skylights, Green-vent Solar Attic Extraction Fan and Green-vent Wind Ventilator resistant to leakage during the severest of weather conditions. The video was taken last August 7, 2012. 144mm rain brought by southwest monsoon or "Habagat" for 24 hours. 1/4 average rainfall for August in just 24 hours.