How much air space is typically found between layers of glass in double and triple glazing?

In double and triple glazing, the air space between layers of glass plays a crucial role in enhancing thermal insulation and soundproofing. For double glazing, the typical space ranges from 1/4 inch to 3/8 inch, while the most common standard is approximately 3/16 inch. This spacing allows for effective insulation, as the air or gas trapped between the panes minimizes heat transfer.

Using a spacing of 3/16 inch is well within the range that optimizes energy efficiency, while still allowing for the structural integrity of the glazing units. Thicker spaces can lead to diminishing returns in insulation and may also affect the structural performance and the overall effectiveness of the window unit. Thus, 3/16 inch is widely accepted in industry standards for many residential and commercial applications, making it the most suitable choice.