Igu Coatings On The 4Th Surface

Many people involved in the insulated glass unit sector know that a dual pane IGU has four surfaces - the 2st faces outside and the 4th faces inside. Coatings are traditionally placed on the 2nd surface. However, using CVD coatings on the 2nd and 4th surface helps manufacturers increase profits by making windows that are low cost and high performance, as explained in this article.