![]() |
Best Practice Guide |
|
Glossary |
||
![]() |
|
Best Practice Guide GlossaryBrowse the glossary alphabetically: VAPOR BARRIER Return to list of termsA material with a permeance of one perm or less which provides resistance to the transmission of water vapor. [See California Code of Regulations, Title 24, Section 2-5302] Source: California Energy Commission |