Spinning Chimney Cowl - stop chimney down draughts wheen its windy - Chimney Cowls

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Spinning Chimney Cowl - stop chimney down draughts wheen its windy

Anti Down Draught Cowls

When should a spinning chimney cowl be used?

A spinning chimney cowl is designed to combat chimney down draughts caused by wind. A spinning chimney cowl works on the principle that the chimney cowl is wind driven, therefore pulling air and smoke upwards solving your chimney down draught problem. When the wind blows, the cowl catches the wind and the ball rotates. This rotating action prevents the wind from blowing down the chimney stack.

Revolving chimney cowls will also act as a barrier to rain, leaves and birds and other vermin. The main function of a spinning chimney cowl is to cure chimney downdraughts. Do not expect them to solve other draught issues ( a cold bbreeze coming down the chimney when the open fire is not in use.) with your chimney. Your chimney needs to have a proper air supply and the flue and fire box should be properly sized.