|
Window fenestration components
11/22/2008 2:25:22 PM
(Total replies: 0)
|
| I am trying to determine the window components used to calculate U-factor for residential windows. I am also trying to interpret the definitions of sash vs. sash frame, vs. frame.
According to the NFRC glossary, "Frame Area, Af: the projected area of frame and sash in the plane(s) parallel to the glazing surface, except for doors, which shall include the projected areas of the door jambs, header, threshold, door bottom sweep and the peripheral structural elements of the door leaf, in a ... |
|