History: Below is a listing of the Revisions and Changes made to this UFGS.
| KEY | PREPARING ACTIVITY (PA) | A Army | N Navy | F Air Force | S NASA [ARCHIVED] |
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion |
| Release | PA | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| Aug-2025 | N | Aug-2025 | R | Complete review and update. |
|
| Feb-2018 | N | May-2011 | C | 2 | In response to CCR 3731 |
| Aug-2017 | N | May-2011 | C | 1 | Changed Material Safety Data Sheets (MSDS) to Safety Data Sheets (SDS). |
| May-2011 | N | May-2011 | R | Reference update: modified subparts 2.2.3.6 and 2.5.4.2 | |
| Nov-2010 | N | Nov-2010 | R | Minor revisions throughout | |
| Jan-2008 | N | Jan-2008 | R | Added USACE and NASA requirements; Superseding UFGS 07 40 00.00 40 Roofing and Siding Panels and UFGS 07 46 19.00 40 Steel Siding. | |
| Apr-2006 | N | Apr-2006 | R | Added English and metric tags throughout; added metric measurements when missing. |
