So helpful and really professional. Respectful of assets and mindful on putting back curtains and blinds to how you want/had them. Practically nothing to scrub up after fit all completed for me, by Jonathan and Bob. Window panes are sometimes baffled with window sashes. Panes are sheets of glass. https://jaidengdwly.aboutyoublog.com/38916069/the-greatest-guide-to-acoustic-secondary-glazing