Permanent

Permanent background ventilation is made possible with space plates. This provides a continuous weatherproof vent around the perimeter of the rooflight which suits areas such as corridors and storage where non-controllable background ventilation is required.

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Controllable Rotating

Controllable rotating vents are a fully insulated unit with enhanced thermal properties and can be fitted to two or four sides of a PVC Em-Curb or Em-Collar. With the vents on two sides, the unit will provide a minimum of 11,000mm2 ventilation area. This increases with the length of the rooflight. Tested and certified according to EN 1873 – Watertightness.

The fully adjustable rotating vents are operated by means of a hooked rod, available in lengths of 1.5, 2, 3 or 4m.

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