Cooper O'Neil Stained Glass & Window Restoration
Contractor Background & Craft Discipline
Cooper O'Neil Stained Glass & Window Restoration is an award-winning studio honored by the Preservation Alliance for Greater Philadelphia. Specializing in the delicate intersection of historic woodworking and leaded art glass, their studio expertly re-leads sagging lead cames, restores historic wood window frames, and installs ventilated conservation glazing.
Documented Preservation Specialties
Documented Project Focus & Regional Experience
Restoration of intricate stained glass entryways and transom assemblies in Victorian West Philadelphia rowhomes, Germantown mansions, and landmark historic churches across Philadelphia.
Preservation Standards Advisory
Historic structures require specialized techniques and breathable materials. When undertaking restoration work, ensure contractors follow established National Park Service preservation guidelines (such as Preservation Brief #2 for breathable lime mortar repointing on historic masonry or sash preservation over vinyl replacement).