Where are we located?

Our corporate office is located in Glen Mills.

How long have we been in business?

We were incorporated in 1989.

What is our coverage area for commercial roofing?

We cover the East Coast, and areas East of the Mississippi.

What services do we provide?

DDP provides re-roofing, repair and maintenance for commercial only. DDP does not do any residential roofing.

Do we subcontract?

DDP does not subcontract. All of our technicians are in-house. Technicians are strategically placed throughout our coverage area to answer calls for commercial roofing services.

What type of commercial roofing systems do we service?

We service and install EPDM, Built-up, Thermoplastic single-ply’s (TPO/PVC), Modified bitumen, Metal roof, Standing seam, Acrylic roof systems, Coating Systems, Fiberglass and wood shingle systems, Slate, tile and copper installations, and Concrete and Plaza Decks

What manufacturers are we certified to maintain and install?

We are certified to maintain and install ATAS, Carlisle, Certainteed, Derbigum, Duro-Last, FiberTite, Firestone, GAF, Garland, Genflex, GreenGrid®, John’s Manville, Peterson Metal, Sarnafil, Siplast, Tremco, and W.P. Hickman.

Does DDP encourage the effort to “Go Green”?

Yes. DDP has partnered with Carlisle and Weston to provide “Going Green” roof systems. Please contact the Sales Department for more information at 888-552-6220.

Does DDP really provide 24 hour Emergency Response?

Yes, we have an answering service that takes calls after business hours. You will always speak to a live person, and will receive a return call. Upon repair, all DDP employees are fully equipped with the tools necessary to manage your leak issue.