Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Rationale | Status |
|---|---|---|---|---|---|---|---|
| Version 2020 | 14/08/2020 - 12:11 | 4.0188.2e | Ventilation screens | All attic ventilation sources with holes greater than 1/4" will have corrosion-resistant wire mesh screens installed with openings of 1/16" to 1/4" Existing vents that are not screened will be covered with corrosion-resistant wire mesh with openings of 1/16" to 1/4" |
Prevent pest entry |
Black Line | |
| Version 2020 | 14/08/2020 - 12:11 | 4.0188.2e | Ventilation screens | All attic ventilation sources with holes greater than 1/4" will have corrosion-resistant wire mesh screens installed with openings of 1/16" to 1/4" Existing vents that are not screened will be covered with corrosion-resistant wire mesh with openings of 1/16" to 1/4" |
Prevent pest entry |
Black Line | |
| Version 2020 | 14/08/2020 - 12:10 | 4.0188.2e | Ventilation screens | All attic ventilation sources with holes greater than 1/4" will have corrosion-resistant wire mesh screens installed with openings of 1/16" to 1/4" Existing vents that are not screened will be covered with corrosion-resistant wire mesh with openings of 1/16" to 1/4" |
Prevent pest entry |
Black Line |