Transcription of Appendix: Ridge Vent/Soffit Vent Calculator for …
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Products Distributed by: BEST MATERIALS LLC. Ph: 800-474-7570, 602-272-8128 Fax: 602-272-8014 Appendix 15. Email: Appendix: Ridge Vent/Sof t Vent Calculator for Standard Gable Attic To use this Calculator , rst nd the total square footage of the attic oor area. Round your calculations up to the next highest number (see Appendix A). Then look across to the number under the Minimum Length of Ridge column. That tells you the total linear feet of Ridge vent required using the 1/300 minimum code requirements. Note: Because today's tighter homes require more air ow, the 1/150 ratio is also included in Appendix A.
to create a flow of air. In addition, this standard assumes a proper balance of exhaust and intake venting. Unfor-tunately, it’s probably safer to assume that assumption
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