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Typical your area range for this kind of work, from regional averages — not a quote from Slate & Copper Services. Use it to sanity-check bids, then get the real number in writing.
A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.
Estimated range
$9,000 – $18,600
Typical roofing project around $13,800
Slate & Copper Services describes itself on its BBB page as a roofing contractor specializing in custom slate and copper installations across RI, MA and CT, with slate roofing, copper sheet-metal work and exterior cladding. Its website says it has been in business 45 years and names Portsmouth and Easton as its service area. An archinect.com page names Slate & Copper Services alongside other trades such as J&M Plumbing and Custom Electric. The BBB grades the company A+. A BBB reviewer wrote that they filed a lawsuit in the State of Connecticut against Slate and Copper Services/Grinnell Services. Connecticut lists its home improvement contractor registration, HIC.0644952, as active, held by Slate & Copper Services LLC.
“Custom Electric, Creative Electric, J&M Plumbing, Slate & Copper Services”
I filed a lawsuit in the STATE OF CT against Slate and Copper Services/ Grinnell Services.
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1 change recorded — last scanned Oct 13, 2026.
Broken deck rebuilt Saturday to Monday4.5
Cedar roof on an antique home3.5
Chimney leak sealed with a dam, lead barrier and copper flashing5.0
Two-day roof replacement, finished as promised5.0
On-roof inspection to confirm the problem4.1