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Commercial & Specialty Roofing Contractor 800-532-ROOF (7663)

ALERT: Due to COVID-19, the GSM Roofing office is currently closed but we are working remotely. Please contact us if you are experiencing a leak or if you have specific questions about a project. Thank you for your patience, and stay well.

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Why GSM Roofing?

GSM Roofing is a private, family-owned, professional service company, specializing in the installation and maintenance of commercial and specialty roofing. Founded in 1946, we operate in the South Central & South Eastern PA, MD, DE and NJ region with a full scope of services that includes roof service & maintenance, re-roofing, new construction roofing, historic restoration and custom metal fabrication. GSM also offers roof safety solutions and other building envelope products. More

Safety

We believe the prevention of accidents and injuries is so important, that a safe working environment has precedence over productivity whenever necessary. More

News + Videos

Seasonal Change Prompts Routine Roof Maintenance

The seasonal transition from summer to fall indicates changing weather conditions, shorter days, and should also prompt the winterizing and More