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Answer
Bird Nests, Straw, Grass, E.T.C Becuase If you dont have the screen on the cap the birds will make a nest in there because it is warm. You can but the screen or cover, at any hardaware store, or building Centre.
Answer
Birdnests, Because birds like to nest in there becuase it is warm. you can buy a screen or cap, at any hardware store, or building centre.
First answer by ID1083012756. Last edit by ID1083012756. Question popularity: 10 [recommend question]
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What would cause chimney cap to clog?
