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GDC Slate Guardian System
Our Slate proprietary Slate guard system developed for the US Navy to meet both historical and personnel protection requirements our guard systems prevent falling Slate from causing damage to property & injuries. We have options in Copper, brass, stainless, aluminum & steel depending on the needs of our clients.
John Greene GDC
12 hours ago1 min read


St. Patrick’s Church Nashua NH
Slate Copper St Patrick’s
John Greene GDC
Aug 91 min read


Hard Access Slate Repair Dover NH
A beautiful access with our 92’ Z Boom. Incredible equipment operating skill by Jonathan Salisbury Supervisor GDC Aerial Division 💪
John Greene GDC
Jul 191 min read


John Greene GDC
Jul 190 min read
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