A waterproof gasket for use in roof ventilation spheres

Abstract

This utility model discloses a waterproof gasket for a roof ventilation ball. The roof has a ventilation ball, and corrugated steel sheets and a photovoltaic system are laid on the roof to avoid the ventilation ball. The gasket includes a sheet material, which is bent and connected end to end to surround the connection between the ventilation ball and the corrugated steel sheet. A water-retaining edge extending upward is formed on the sheet material by rolling or folding. It has the advantages of simple structure, convenient molding, and good waterproof effect.

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