What is a vapor barrier layer?

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Representation and distribution center polycarbonate sheets double glazed, glazing, and flat polymer Golden Yazd, Isfahan province. دارای ۱۵ years of insurance written letter from the insurance benefit. تهیه of materials ۱۰۰% German. آدرس: Isfahan, tee's City, Boulevard Ghadir, etc. km, a road, Najaf Abad, corner, scale, South, store Amir. تماس: ۳۳۷۷۰۱۰۸-۰۳۱, etc. ۳۳۷۷۰۴۷۸-۰۳۱ ۰۹۱۳۲۱۷۳۲۴۸ ۰۹۱۲۴۲۱۷۲۶۸ کریمی

Various types of flat and multi-walled polycarbonate in new and diverse designs and colors, which can be considered as a good substitute for glass, Iranite, ceramic clay, etc., because it is unbreakable, light and sun-proof.