- Full Concealed, heavy duty
- 1/8" door inset
- 48" door width maximum
- 600 lbs. door weight maximum
- Average weight per unit = 16 lbs
- Fasteners: 10-24 x 7/8" undercut, self-drilling, thread-forming tek machines screws, stainless steel and #10 x 1-1/4" undercut, wood screws, stainless steel
- Fire Rating - tested and certified by UL® (U.S.A. and Canada) on 4'0" x 10'0" fire rated doors, based on the following
- 20 minutes - wood doors
- 90 minutes hollow metal and composite wood fire doors
- 3 hours - hollow metal doors