Labels:railhead | sky | trade name | window OCR: U-channel with Deep eg Track Disadvantages Labor intensive labor intensive to 'clip-off' u-channel to every stud screws into the stud and rews into the u-channel screws per clip No positive attachment studs are not screw- -attached to top track float in deep leg top track No code approval - not tested or approved by any building codes as fire-rated system
