Choose a profile when buying a plastic window
According to statistics, imported foundations are the leading: foreign enterprises work according to “run -in” methods, the supply of the right raw materials has long been established. Our so far only try strength, experiment with approaches, which sometimes affects the quality. If the budget is forced to take a “local” product, you should be afraid of recyclables, which are considered unusually vulnerable to destructive environments, vertical loads, quickly shaken.
It is impossible to sign an agreement on the manufacture and installation of the system, not carefully examining the cut of the reinforcing part of the “filling”. This profile element must be smooth, uniform in structure, devoid of even microscopic damage, quite thick (at least 1.5 cm).