This firestop/joist shield helps protect against flames and is typically used in floor/ceiling penetrations other than those which include a ceiling support. Selkirk is the most trusted name in insulted venting products. Used by professionals and homeowners alike for over 60 years. Selkirk continues to produce and develop innovative and safe products.
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Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause c