OITC steps audio depth decline in decibels, similar to STC. OITC isn’t in addition-acknowledged as STC, nevertheless it’s arguably a far better way to price soundproof glass windows mainly because it particularly targets loud noise while in the small to mid-frequency variety. This is often why we deliver a way https://hard-skin-on-feet93692.bloggosite.com/32625614/bespoke-secondary-glazing-in-fitzrovia-an-overview