Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Rationale | Status | 
|---|---|---|---|---|---|---|---|
| Version 2020 | 08/14/2020 - 14:23 | 4.0104.1d | Install backing | Install airtight backing material over entire area to be insulated that will withstand dense packing pressures Secure backing material using mechanical fasteners that penetrate the sub framing a minimum of 1" Installation must have a minimum of a 30-year service life  | 
                      Airtight, durable insulation backing  | 
                      Black Line | |
| Version 2020 | 08/14/2020 - 14:23 | 4.0104.1d | Install backing | Install airtight backing material over entire area to be insulated that will withstand dense packing pressures Secure backing material using mechanical fasteners that penetrate the sub framing a minimum of 1" Installation must have a minimum of a 30-year service life  | 
                      Airtight, durable insulation backing  | 
                      Black Line | |
| Version 2020 | 08/14/2020 - 14:23 | 4.0104.1d | Install backing | Install airtight backing material over entire area to be insulated that will withstand dense packing pressures Secure backing material using mechanical fasteners that penetrate the sub framing a minimum of 1" Installation must have a minimum of a 30-year service life  | 
                      Airtight, durable insulation backing  | 
                      Black Line |