History of our productThe first known installation of a mechanical locking thermal break was in 1978, using Ensinger's INSULBAR® technology. The system was installed into a window after several years of designing and testing to ensure its success in the field. The profile used was the standard 14.6mm profile and the material was a glass-reinforced nylon 6/6. The system was utilized for its greater strength, its higher heat distortion temperature and matching coefficient of thermal expansion with aluminum.
Since these original installations, many changes have taken place in thermal barrier technology. New shapes have been introduced, such as hollow profile thermal breaks, ones with screw grooves, and offset profiles. The new shapes and some improvements in the mechanical locking system now provide the consumer with many choices in structural thermal breaks for windows, curtainwalls and storefronts.
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