Bally uses the same construction on its doors as it uses on its panels: nonozone-depleting rigid insulation, foamed-in-place and securely bonded to metal skins for structural strength. A reinforced U-channel steel frame with a thermal breaker prevents twisting and sagging and eliminates the need for structural members. Bally’s Speed-Lok construction allow the door to be assembled to the walk-in panels with ease and provides a sturdy structure that will last for years to come.

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