How to Soundproof Windows: Seal the Leaks, Then Add Distance
Seal the leaks, then add distance between two panes: why a wide air space does more than thicker glass of the same weight, and which layer should stay airtight.
Timber Window Installation: What Happens on Site
What actually happens when timber windows go in: how long the opening stays open, who makes good the plaster, where the perimeter seal fails, and why two fitting quotes rarely match.