45 Minute Fire-Rated Frames
Optimum has revolutionized the construction industry by offering the most comprehensive line of steel fire rated windows. Today, we are one of the largest and most efficient manufacturers in our field, with fire rated products ranging from 45 to 90 minutes. Optimum’s multiple window and door series are used in non-temperature rise applications and through various glazing options can be modified to address most fire rated applications.
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