NOT KNOWN FACTUAL STATEMENTS ABOUT FIRE RATED SECONDARY GLAZING

Spacer: This separates the two panes of glass and is particularly crammed with desiccants to soak up humidity in the cavity.Horizontal sliding secondary glazing is also generally employed with casement Home windows, as it may slide to 1 facet to open a window as expected. Low-e coatings are thin, invisible levels of metallic oxide applied to windo