U Values for Storefronts & Curtain Walls

U.S. Aluminum

1. IT-451 with Clear Insulated Glass = .60
2. IT-451 with Low E (projected) = .51
3. FT-451 with Clear Insulated Glass = .60
4. FT-451 with Solar Ban 60 Low E = .49
5. 3250 Curtain Wall with Clear Insulated Glass = .61
6. 3250 Curtain Wall with Solar Ban 60 Low E = .49

Kawneer

1. 451-T with Clear Insulated Glass = .58
2. 451-T with Low E (Tested) = .48
3. FAS-SET 400T with Clear Insulated = .58
4. FAS-SET 400T with Low E (Tested) = .48
5. 2250 Wall with Clear Insulated Glass = .64
6. 2250 Wall with Low E (projected) =.54

Entrance Doors

• Entrance doors are not tested as they are not thermally improved
  the best we can offer is a .90 for the area of the doors.

This information is provided as a courtesy only 				              
Last Updated: April 3, 2004
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