Drain gutter under the roof of a cottage or garden house with the arrival of autumn bad weather clogged up with fallen leaves and fragments of branches. Well, if the shrewd owner will close their perforated strips of roofing iron. However, in heavy rain water flows down and over the gutter.
The best result can be achieved by putting it in the chute rolled into a tube of metal mesh protruding above the trench, it will flow the water flow and will not let linger leaves.
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