Graboyes Commercial Window and Glass Solutions
Contractor Background & Craft Discipline
Graboyes Commercial is a premier commercial glazing and window firm with extensive experience executing large-scale historic window rehabilitation projects. They work closely with preservation consultants, architects, and the National Park Service to satisfy Secretary of the Interior Standards for Rehabilitation, providing custom-profiled wood and thermally improved steel replica windows for adaptive reuse projects.
Documented Preservation Specialties
Documented Project Focus & Regional Experience
Major historic window restoration and historically compliant replacement on landmark Philadelphia industrial lofts, hospital conversions, and prominent historic civic buildings throughout Southeastern PA.
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).