By Sara Holder. Door. Published at Sunday, April 22nd, 2018 - 17:53:25 PM.
Aluminum skin composite doors are another common variety and are widely used in garages, shops or factories. These doors are very strong and are invincible, in the literal sense of the term. Aluminum composite doors are also used for main entrance in different types of office and hotels. They have glass panels in the middle supported by a strong aluminum frame. The double layers are useful for offices and factories as they are durable and sound proof. They are composed of two layers the first layer is that of aluminum and the second layer is made up of polyurethane foam. A triple layer aluminum composite door is not only durable but also very strong. The first layer is made up of galvanized aluminum the second layer is made up of polyurethane foam and there is another layer of galvanized aluminum.
Steel doors are made to a building's specifications, with many factors measured for an exact fit for crime prevention. Openings for the locks are expertly engineered with no room for error. The metal framework fits perfectly to eliminate any space in which to slide the slimmest tool or crowbars. Installers take special measures to ensure the heavy doors are hung with perfect balance and all hardware is flush with surrounding surfaces. The installation can require 5 hours and including manufacture and delivery the entire process can take several weeks, but the steel security door can last forever. It can't rot, warp or otherwise change shape, thus eliminating a potentially dangerous situation!
Doors made from fiberglass provide an extra layer of security from intruders. The double or triple pane, glass will not shatter should an intruder attempt to break it. They also have a minimum 12 inch (30.48 cm) lock block that adds more strength, should a burglar attempt forced entry.
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