With this unique instance the new double glazed sash windows and the retrofitting each benefitted from a four-8-4 Argon crammed, minimal-E, toughened device, plus a white spacer bar. The sole distinction I suppose glazing wise was the sandblast glazing in the first sash. Arctic Glaze’s choice of secondary glazing for https://stainlesssteelslantedtwee39483.mybloglicious.com/47555871/energy-efficient-glazing-in-wc2e-an-overview