Roof Ventilators — Streamlined, Daylighting & Thin-Type
Continuous natural ventilation with zero power cost: streamlined and thin-type ridge ventilators plus daylighting versions keep plants, warehouses and logistics centres breathing — no fans, no wiring, no maintenance contracts. Manufactured by Nantong Wanwei.
Nantong Wanwei — manufactured by Wanwei, distributed by Xin'an Building Materials
Series
| Series | Profile | Best For |
|---|---|---|
| Streamlined | Low-drag curved throat | Wind-driven extraction, coastal sites |
| Daylighting | Translucent side panels | Daylight + ventilation in one unit |
| Thin-type | Low-profile 300–500 mm throat | Retrofit roofs, low wind-load districts |
Selection & Sizing
Unit count follows your building's heat load and air-change target — send building dimensions and use, and we return a ventilator schedule with throat sizes and layout. Turbo (rotating) ventilators available as spot-extraction complements. Accessories: bird mesh, rain hood, insulation base, smoke-function combination units.
Related Products
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Add code-required smoke ventilation to the same roof.
Ventilation Overview
Full smoke, ventilation and metal envelope range.