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  1. TrioE 777E Energy Efficient Steel Stiffened Door/ASSA ABLOY/2025-03-31

    TrioE 777E Energy Efficient Steel Stiffened Door/ASSA ABLOY/2025-03-31

    Cover of Trio-E / 777E Energy Efficient Steel Stiffened Door — open the PDF

    Open the PDF · HPD 15368

    Expiration Date: 2028-03-24

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    Combat rising energy costs with the patented Trio-E, the industry's most energy efficient exterior opening. The Trio-E door is steel stiffened for strength but has achieved an operable U-Factor of 0.34 which is better than most other steel…