| 摘要 |
An insulating sleeve designed for positioning over a sewer vent pipe associated with a dwelling includes a tubular-shaped member constructed of insulating material which is covered by a protective outer shell. Additionally, the ends of the sleeve are provided with watertight seals and a roof shield may be utilized to effectively attach the sleeve to a roof. The sleeve is designed to prevent frost and snow buildup within a sewer vent pipe in cold climates.
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