Labels:bulletin board | crt screen | monitor | window OCR: Rating Hr Min Stud No. of Layers Min Thks Depth Thks of Panel of Insulation (Item 3-5/8 1 layer 5/8 in. thick Optional 2-1/2 layer 1/2 in. thick in. thick 1-5/8 layers, 1/2 in. thick Optional 2-1/2 layers, 5/8 in. thick Optional 1-5/8 layers, 1/2 in. thick Optional 1-5/8 3 layers, 5/8 in. thick Optional 1-5/8 4 layers, 1/2 in. thick Optional 1-5/8 4 layers, 5/8 in. thick Optional NATIONAL GYPSUM CO 1/2 in thick Type FSW-G FSK G FSW-C or FSK 5/8 in thick Type FSW FSK FSW-C or FSK-C: 5/8 in thick Type FSW FSK FSW-3 (For and2 layer systems only) Prev Next Lavers
