Entrance metal doors
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What is the weight of a metal front door? : Entrance Metal Doors
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Steel hall-doors are to protect the housing from break-in and to ensure its convenient operation. Here there is a list of the characteristics a metal door should have:
Metal door should have a sufficient margin of safety. It is essential to protect the door from cracking.In addition to strength, the door construction should be "intelligent". Such a quality can be assured with a reliable system of constipation.Metal door should make it possible to observe. This is achieved by using special video-systems, or at least – with an ordinary door peephole.Iron hall-door should be heat- As a heat insulators to fill her canvases different materials can be used: foam plastic, mineral wool, and others.A door leaf weight has to match the quality and power of its hinges. Otherwise, a heavy door on weak hinges can be easily knocked out off the doorway.
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