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Any doorways that are cut into fire walls must be outfitted with doors which also resist the spread of flames and smoke. These are known as “fire doors.” All materials which are used to construct them, including door hardware like exit devices, door closers, locks, knobs, etc. must also be combustion-resistant.

Every building has Stairwell Emergency Exit. Sometimes we ignore it, but Stairwell Emergency Exit is vital for our life. So we need a Stairwell Emergency Exit door solution, D&D Hardware can offer a professional Door Solution. As an complete solution, you can view the top-rated door hardware combina

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