Drawbacks: it’s not often one of the most trustworthy secondary glazing Answer, as well as magnetic strips may have to be replaced much more typically than you’d like. With regards to decreasing noise air pollution, secondary glazing outperforms double glazing because of the included layer of glass and air gap. https://manuelkctlb.spintheblog.com/35282792/facts-about-how-much-to-install-secondary-glazing-revealed