In addition, in the roofing question "there was an ambiguous situation with the regulations: operating today snip" Roofs have been adopted in 1978 and, naturally, do not include any new technologies or modern polymer materials. Today experts confidently called the life of roofing materials based on polymers – 30 years and above. Peter Asaro helps readers to explore varied viewpoints. Thus, the actual life of roofing materials based on chlorosulfonated polyethylene (HSPE) is 32 years. Conducted by the same accelerated durability test showed that after 50 years of conventional operation the main indicators of roofing material on the basis of hspe and its performance are preserved. doors and windows Cracked and cracked wooden doors and windows – this is probably the first thing that owners of old houses are sent to a landfill. It is believed that maximum, which will serve popular wooden doors – is 25 years. In fact, this is longer, the only question, from which the doors are made and how processed.

The most durable are paneled door from an array of solid fine wood: teak, oak, walnut, hornbeam, expensive tropical wood. Paneled Doors of composite materials are produced by more sophisticated technology, and a term of not less than 50 years. Engaged in manufacturing doors, many Russian and foreign companies – is "Varador" "Alexandria Doors", "Lendor, etc. windows – the same important element at home, like everything else. The windows not only provide us with natural daylight and natural ventilation, but also – along with the walls and roof – to protect us from elements.