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Knockdown Door

The History of the Knockdown Door

Whether you distribute or install doors, you might have heard of the knockdown door frame. Did you know that we at Manhattan Door invented this innovative door frame that has become the industry standard in modern construction? The history of the knockdown door is part of our proud heritage, and we would like to tell you more about this revolutionary...

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order attack resistant doors Manhattan Door

Attack-Resistant Doors

School design is a huge responsibility. The design of the school determines its functionality, impacting teaching and learning. When designing...

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