Graboyes Commercial Window and Glass Solutions
Verified Traditional Trades Specialist • 171 A Rittenhouse Circle • Est. 1984
About the Contractor
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.
Verified Restoration Specialties
- NPS Tax Credit Historic Window Compliance
- Architectural Wood & Steel Window Replication
- High-Performance Historic Glazing
- Historic District Landmark Approvals
Project History & 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 & Quality Guarantee
This contractor adheres to traditional historic restoration principles, avoiding destructive modern shortcuts such as non-breathable Portland mortars on soft historic brick or replacement vinyl inserts in protected historic districts.