
Trio-E — Energy-Efficient Steel-Stiffened Door
Use: exterior entrances requiring energy savings
A steel-stiffened door achieving an industry-leading U-Factor of 0.34 with a Mercury 3 thermal-break frame, free of vertical weld marks on the face for a clean gloss-paint finish, and hurricane rated up to ±100 psf.
Full Technical Specification
- U-Factor 0.34 (with Mercury 3 thermal-break frame)
- No vertical weld marks on face — allows a clean gloss-paint finish
- Hurricane rated up to ±100 psf (3'×7' single) and ±70 psf (8'×8' pair)
- GreenGuard Gold certified — first steel-stiffened swinging door to qualify
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