A lot of parameters affect the overall acoustic effectiveness of the making envelope like the framing program, sealing, set up of glazing and others. Regarding the glazing, The main to mention, in addition to the glass thickness and the use of laminated glass are: Equipped with the assistance of my grandson. https://coppertonguescraper10886.theobloggers.com/43203220/little-known-facts-about-london-secondary-glazing