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4" OVAL BVENT ATTIC INSULATION SHIELD BV
by DuraVent
SKU
4BVOIS
• The Type BW attic shield is used on a single-story AVS building or on the top story of a multi-story building fo Read More
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• The Type BW attic shield is used on a single-story AVS building or on the top story of a multi-story building for Type BW gas vent.
• A 26-gauge galvanized sleeve should extend from the top of the ceiling plate into the attic.
• A Type BW attic shield is required by Los Angeles Code and UMC.
4BVOIS