Strong, Beautiful and Green, best describes Trio, the innovative new product from Ceco Door. Trio is a fusion of composite and steel stiffened cores to create a new patent pending laminated core design like no other. Trio contains all the aesthetic and insulating benefits of a Ceco Imperial foam door but with the added strength of a steel stiffened laminated core.
Strong
- Steel stiffened laminated core for added strength and durability
Beautiful
- No vertical weld marks on door face sheets so aesthetically pleasing gloss paint can be applied
- Many door designs and color options available
Green
- High recycled steel content for LEED points


Winner of the 2010 ADEX Platinum Award for Design Excellence
Trio Standard Features
- 18 gauge face sheets, 16 and 14 gauge optional
- 16 gauge inverted end channels welded to both face sheets for added strength
- 14 gauge closer reinforcement
- 18 gauge face sheet plus 22 gauge core plate is effectively 14 gauge thick on threat side of the door
- 22 gauge steel stiffeners spaced every 6" apart and welded to core plate every 5" on center for total surface support.

Other Features and Options
Available Sizes:
- 4’0” x 9’0”maximum single, 8’0” x 9’0”maximum pair
Material:
- Cold rolled or galvanneal steel
Core Options:
- Injected polyurethane foam or fiberglass insulation in between the stiffeners
Edge Construction:
- Mechanically interlocked, hemmed vertical edge seams
- Seamless edges available
Hardware Reinforcements:
- Reinforcing for most lock preps, including concealed hardware
- 7 gauge steel hinge reinforcements
Paint:
- Electrostatically applied prime base coat
- Optional Colorstyle factory pre-finish
Performance
- Sound Transmission Class: STC 41 with fiberglass core (ASTM E90-09 & E413-04) fully operable
- Physical endurance testing: Meets ANSI A250.4 performance test, level A (1,000,000 cycles) class 1 stiffness
- Fire rating: Up to and including 3 hours 4’0”x 8’0” singles and 8’0”x 8’0” pairs (no astragal required!) up to 8’0”x 9’0” pairs 90 min. (UL10C) UL & WH agencies