Weatherproofing. More mature Home windows might have hairline cracks or They're beginning to open up around the framing. People challenges Permit cold air enter the house. Applying an exterior-quality silicone caulk can pack up these leaks. Spacer: This separates The 2 panes of glass and is particularly full of desiccants https://emilianozgjor.shotblogs.com/little-known-facts-about-london-secondary-glazing-46030212