THE SMART TRICK OF ACOUSTIC INSULATION THAT NO ONE IS DISCUSSING

This should usually be done by a contractor who understands how the window comes apart. The sash (the body that holds the panes) is eradicated and it is then disassembled to be able to take the IGU out. A completely new replacement IGU (purchased in the window maker) is then equipped into the sash, plus the sash is reassembled and set back again du