that running wooden blocks inside the metal frame around the rough opening enhances the strength of the unit. These need not be continuous lengths, but simple blocks where the door or window franle will be joined to the flat and at hinge locations. Flying is one area where this lightweight product really pays for itself in another way. We have found that the weight of a flown unit ends up only slightly greater than that of the cover material alone. We have flown Styrofoam, fabric, and lauan covered units. One fabric covered unit used in The Merry Wives of Windsor measured six feet wide by thirty feet tall and weighed less than thirty pounds. (See figure 2.) Table 2 TYPICAL PHYSICAL PROPERTIESINTERIOR STUD FRAMING 25,22 & 20 GAUGE Gauge Stud Width Approximate Weight oz./lin. ft. 25 1%" 2 Yi' 3%" .48 .51 .62 22 1%" 2 Y2" 35/6" .61 .63 .67 20 15/6" 2 Y2" 3%" .63 1.00 1.31 2. bend ouFslightly Table 3 PRICE COMPARISON OF 25 GA. STEEL FRAMING STUDS WITH #2 COMMON GRADE PINE 4. attach with P-32 screws straight or curved joints 62 M ~I E R I 9 9 9 TZ>&T 2x4 pine 33' / lin. ft. * 3%" steel 20' / lin. ft. lx3 pine 26' / lin. ft. 1%" steel 18' / lin. ft. *retail prices are from January, 1998 Figure 3