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1347 Venting Cathedral Roofs - Insulation Energy Efficiency - Venting Roofs
 
1347 Venting Cathedral Roofs - Insulation Energy Efficiency - Venting Roofs -

Image Text: Cross section > Roof slope: 2 in 12 and lower > air flow > siding > soffit vent > roof joist > roof membrane > roof sheathing > 1 inch below top of joist > 2 inch x 2 inch purlins (perpendicular to joists) > insulation > drywall > wall stud > Cross section > Roof slope: more than 2 in 12 > air flow > siding > soffit vent > roof rafter > shingles > roof sheathing > 3 inch air space > insulation > drywall > wall stud > gutters not shown

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INSULATION

The Basics, Air/Vapor Barriers (Vapor Retarders), Venting Roofs, Venting Living Spaces, Attics, Flat and Cathedral Roofs, Walls Above Grade, Basements and Crawlspaces, Floors over Unheated Areas, Ventilation Systems

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