This will’t be completed on an primary sash as we are dictated to by where by the size in the profile and where by toe mortise and tenon sits. New double glazed sash and primary retrofitted sash compared on a similar making – purple is the first sash and blue https://threadinghairremoval47776.blogtov.com/6770122/indicators-on-bespoke-secondary-glazing-in-covent-garden-you-should-know