Access Door
Extruded aluminium access door featuring a spring-loaded lock and a sturdy, rigid frame with 90-degree opening hinges. Insulation against noise and heat loss is a possibility. utilised most often in fake ceilings made of gypsum and wood to provide access to damper controls, AHUs, FCUs, and ducting.
https://truestarairsystems.com..../index.php/access-do

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