THE DEFINITIVE GUIDE TO FIRE RATED SECONDARY GLAZING

The frame incorporates spacers that keep the panes separated by 1 / 4 to 50 % an inch. Producers normally swap the air while in the hole with the inert gas like argon, xenon or krypton.Which means the window is double-glazed, which is a great thing. But What's more, it suggests the gap between the panes is now not sealed, and that’s poor. We must