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Understanding Energy Codes
As energy codes change, so does the need for building products that meet the criteria of the codes. IPS’ insulated metal panels offer significant performance capabilities to meet these codes.
Below you will find code breakdowns from both ASHRAE and IECC. Match the climate zone listed in the charts to the climate zone on the map to determine the panel thickness required for that specific area of the United States.
The codes are under review may be revised in the near future. Check back frequently for updates.
| Element |
Type of Const. |
Climate Zone |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
| Roof |
Above Deck |
2.5” |
3” |
3” |
3” |
3” |
3” |
3” |
3” |
| Metal Building |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
3” |
| Wall |
Metal Building |
2” |
2” |
2” |
2” |
2” |
2” |
2” |
2.5” |
| Steel Framed |
2” |
2” |
2” |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
| ASHRAE 90.1 - 2007 w/ 2008 Supplement |
| Element |
Type of Const. |
Climate Zone |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
| Roof |
Above Deck |
2.5” |
3” |
3” |
3” |
3” |
3” |
3” |
3” |
| Metal Building |
2.5” |
3” |
3” |
3” |
3” |
3” |
3” |
5” |
| Wall |
Metal Building |
2” |
2” |
2” |
2” |
2.5” |
2.5” |
2.5” |
2.5” |
| Steel Framed |
2” |
2” |
2” |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
| Element |
Type of Const. |
Climate Zone |
| 1 |
2 |
3 |
4* |
5** |
6 |
7 |
8 |
| Roof |
Above Deck |
2.5” |
3” |
3” |
3” |
3” |
3” |
4” |
4” |
| Metal Building |
2.5” |
3” |
3” |
3” |
3” |
3” |
3” |
5” |
| Wall |
Metal Building |
2” |
2” |
2” |
2” |
2.5” |
2.5” |
2.5” |
2.5” |
| Steel Framed |
2” |
2” |
2” |
2.5” |
2.5” |
2.5” |
2.5” |
2.5” |
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