The Ventilated Valley has been specifically designed as a universal system to provide rainwater drainage and to provide ventilation along the length of the roof valley. Designed for use specifically with the UniValley 125 valley trough, the system provides ventilation for difficult to reach areas of pitched roofs.
- Provides continuous ventilation either above or below the underlay of 5,000mm sq per rafter void on each side of the valley.
- Suitable for use with all concrete and clay tiles and all types of slate.
- Central water slew prevention bar allows the trough to accommodate up to 15 degrees difference in the two roof pitches.
- Fire resistant. Designated AB rating to BS476:Part 3.