// CODE SNIPPET
1403.3 Vapor Retarder
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An approved vapor retarder shall be provided.
Exceptions:
- Where other approved means to avoid condensation and leakage of moisture are provided.
- Plain and reinforced concrete or masonry exterior walls designed and constructed in accordance with Chapter 19 or 21, as applicable.
Related Code Sections
1403.3 Exterior Walls, Vapor Retarder
An approved vapor retarder shall be provided.
Exceptions:
Where other approved means to avoid condensation and leakage of moisture ...
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The vapor retarder class shall be based on the manufacturer's certified testing or a tested assembly. The following shall be deemed to meet the class ...
NYC Building Code 2014 > 14 Exterior Walls > 1405 Installation of Wall Coverings > 1405.3 Vapor Retarders > 1405.3.2 Material Vapor Retarder Class
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The vapor retarder class shall be based on the manufacturer's certified testing or a tested assembly. The following shall be deemed to meet ...
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Where ducts used for cooling are externally insulated, the insulation shall be covered with a vapor retarder having a maximum permeance of 0.05 perm ...
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Where ducts used for cooling are externally insulated, the insulation shall be covered with a vapor retarder having a maximum permeance of 0.05 perm ...