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Trusted Building and Roofing Supplies in Philadelphia
Stelwagon Roofing Supply has been a trusted provider of construction and roofing materials for over 160 years, serving the Delaware Valley region with a commitment to quality and personalized service. Headquartered in Philadelphia, Pennsylvania, we operate as a certified diverse supplier and women-owned business, offering a comprehensive selection of products for commercial and residential projects. Our inventory includes roofing materials, siding, windows, decks, and exterior building products sourced from reputable vendors. With eight strategically located branches across Philadelphia and southern New Jersey, we ensure convenient access to our offerings while maintaining a strong focus on customer relationships.

Our team brings decades of industry expertise, providing technical guidance and tailored solutions to meet diverse project needs. We pride ourselves on maintaining a rotating inventory of seasonal products and offering specialized services like in-house custom metal bending. As an independent, locally owned company, we remain dedicated to supporting our community while upholding the highest standards of reliability and service excellence.
Services
Roofing Products Siding Installation Window Supply Deck Materials Exterior Building Products Custom Metal Bending Boom Truck Deliveries
Highlights and features
  • We offer 160 years of industry experience and expertise in roofing materials.
  • Our company is certified as a Women-Owned Business Entity by multiple authorities.
  • We operate eight convenient locations across Philadelphia and southern New Jersey.
  • Our in-house custom metal bending service provides specialized fabrication solutions.
  • We offer 24-hour availability for urgent material requests and deliveries.
Associations and certifications
  • Women's Business Enterprise National Council
  • City of Philadelphia
  • Commonwealth of Pennsylvania
  • New Jersey Commerce Commission
Services
Roofing Products
We supply comprehensive roofing materials for commercial and residential projects, including shingles, membranes, and flashing systems. Our inventory features products from leading manufacturers to meet diverse project requirements. With technical expertise available, we help customers select optimal solutions for durability and performance in local climate conditions.
Custom Metal Bending
Our in-house metal fabrication service creates custom bends and shapes for roofing and construction applications. Using advanced equipment, we produce precise components like gutters, flashing, and trim pieces. This service enables contractors to achieve perfect fits for unique architectural designs while maintaining material integrity and weather resistance.
Boom Truck Deliveries
We offer specialized boom truck deliveries for rooftop installations, eliminating manual material handling. This service safely transports heavy loads directly to elevated work areas, improving job site efficiency. Available upon request, it reduces labor costs and potential property damage during material delivery processes.
Exterior Building Products
Our exterior product line includes siding, windows, and deck materials for residential remodeling projects. We carry energy-efficient options that enhance curb appeal while improving home performance. Knowledgeable staff provides guidance on material selection for climate resilience and aesthetic requirements in local markets.
Technical Support
We provide expert technical advice on product selection and application methods through trained staff and vendor partnerships. Our team offers installation recommendations and troubleshooting assistance for complex projects. This support ensures proper material usage, compliance with building codes, and optimal system performance.
Questions
What types of roofing products does Stelwagon offer?
We carry a comprehensive selection of commercial and residential roofing materials including asphalt shingles, metal roofing, single-ply membranes, and built-up roofing systems from leading manufacturers.
Do you provide delivery services for large orders?
Yes, we offer boom truck rooftop deliveries and piggyback forklift ground drop deliveries for large or heavy orders upon request at all our locations.
Are custom metal fabrication services available?
We provide in-house custom metal bending services for flashing, gutters, and other roofing components with precise specifications to meet unique project requirements.
What areas do you serve?
We serve Philadelphia and surrounding areas in Pennsylvania, plus Camden and Trenton locations in New Jersey through our eight strategically located branches.
Do you offer technical support for product installation?
Our experienced staff provides technical guidance on product selection and application methods, with additional support available through our vendor partnerships for specialized installations.