The LIGHTWALL 3440 interlocking polycarbonate translucent wall system from Exterior Technologies Inc. (EXTECH) contributes to the aesthetic, performance, and sustainability goals of aviation hangars, maintenance facilities, and other military building types. Lightweight, easy to install, the LIGHTWALL system helps save time for condensed construction schedules, and helps save energy and maintenance costs for building owners seeking comfort and longevity. The system is 100 percent recyclable, backed with a 10-year warranty. and manufactured in the USA. For more information visit

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