Interesting residential front doors are of any shape and design

Residential steel security doors: operational characteristics

Security doors with first and second strength class also have fire protection properties, usually they withstand half an hour under the influence of fire. Besides, they prevent fire spreading to the other rooms. Next, under the influence of high temperatures, armored doors undergo deformation that leads to jamming. The door leaf can be completely burned. But people have time to leave and save themselves.

Narrow residential front doors are usually chosen for small houses.

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