• natural roof ventilation,roof louver vent,low-profile ventilator-[MCWELL]
  • natural roof ventilation,roof louver vent,low-profile ventilator-[MCWELL]

Natural Roof Ventilation

Natural roof ventilation is a kind of ventilation facility installed on the building's roof, which can be used to enhance air circulation. Roof louver vent has the advantages of low wind resistance, integrated lighting and ventilation, anti-leakage, and quick installation.


  1. Three-layer rain-proof board structure, splash-proof rain, good rain and fog performance

  2. The resistance coefficient of the low-profile natural ventilator is about 3.8, which is only about 1/4 of that of the general low-profile ventilator

  3. Low height, top-notch wind resistance, maximum resistance to level 15 typhoons, especially suitable for typhoon areas

  4. The labyrinth industrial ventilator truly achieves an effective ventilation area >50%

  5. Low deadweight reduces roof load and steel consumption in construction

 Common Specifications:

Ventilator code

Throat width

Throat length

Ventilator height









The roof louver vent’s size can be customized according to client’s requirement.

 Scope of Application:

The low-profile ventilator is widely used in metallurgy, machinery, chemical industry, electronics, light industry, shipbuilding workshops.

 Waterproof Method:

Roof louver vent has holistic waterproof structure. It relies on its own structure for waterproofing. It does not use silica gel or adhesive tape to fill seams or to stop leakage.

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