With the development of economy, the technical requirements for continuous rooflight in the construction of industrial plants are getting higher. Among them, the rain and snow protection performance of natural ventilator has attracted the attention of business people, because it is one of the important indicators to judge the quality of natural ventilation.

Continuous rooflight is usually composed of the main frame, outer shields, rain shields, end seals, flooding panels, etc. The outer shields, rain shields, and flooding panels are important components of the smoke ventilator. The quality is directly related to the rain and snow resistance.

The rainproof board is installed above the roof vents, and the rainproof board can be daylighting board, aluminum alloy plate, color steel plate, etc. Mcwell can customize natural vent according to customers' needs. Customers can choose daylighting board to realize the ventilation and air exchange of industrial plants and have daylighting functions; other panels without daylighting can also be used. A three-layer rainproof board can also be used to achieve good rain and snow protection.

The outer guard plate of the natural roof ventilation is also called the wind deflector, which is installed on the outside of the ventilation skylight, and its material is with ventilation skylight. The outer guard plate can be customized into arc shape, strip shape, etc. according to client's needs. The outer guard plate plays an important role in the rain and snow protection function of the ventilation skylight.

The ventilating skylight flashing board is installed between the outer guard plate and the daylighting board. The main function is to drain the water collected in the sump to the roof with the flashing board to prevent the backflow of accumulated water and realize the function of rain and snow protection.