About DC Slate Roofing Experts
DC Slate Roofing Experts is the premier slate roofing company in the nation's capital with 30 years of experience on Victorian, Edwardian, and Federal-style homes. Our team hand-selects matching slate from historic quarries.
Credentials & Qualifications
- Years of Experience
- 30 years
- Founded
- 1994
- License Number
- DC-ROO-1156
- Insurance
- ✓ Insured
- Historic Score
- 97 / 100
- Service Area
- Washington, DC
Historic Score
Specialization index for pre-1950 restoration work
The Historic Score measures how deeply specialized a contractor is in the craft and compliance demands of pre-1950 construction. It combines verified experience, the breadth of historic specialties offered, insurance status, and how long the business has been operating — giving you a quick, reliable signal before you make contact.
Score Breakdown
Master-level tenure
Focused expertise
Fully covered for historic work
Long-established firm
When to Hire This Specialist
- 1
You have a leak but don't know the source: the slate itself may be fine while flashing, underlayment, or ridge cap has failed.
- 2
Stains on interior walls or ceilings near chimneys, dormers, or valleys — typically a flashing failure, not a slate failure.
- 3
You're noticing signs of deterioration in your pre-1950 home that a general contractor has attributed to a single cause — specialist diagnosis often reveals a different root issue.
Project Gallery
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Service Area
Washington, DC
Verified Historic Specialist
This contractor has been reviewed for experience with pre-1950 construction, period-appropriate materials, and historic district compliance.
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