By the way, if you want stretch ceilings at prices inexpensive — contact professionals at the link above. Ordinary double -glazed windows are not able to withstand natural expansion and compression, since they have in their structure to seal a butyl and a metal frame. And this, in turn, favors the formation of cracks and the double -glazed window ceases to be sealed. The deadline for using such windows does not exceed more than 5 years. Now double -glazed -window companies use special glasses to increase product quality. These glasses are equipped with silver ions outside. They have the effect of the “mirror”, and they reflect heat from the inside and outside, and this allows them to guarantee them excellent thermal insulation properties for many years of service.
