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Local business · Mont Vernon, NHLocal business · Mont Vernon, NH
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Metal roofing and architectural sheet-metal work are Natural Metal Associates' focus, according to its website. The Mont Vernon, New Hampshire business says it is run by Louis Rondeau, whom it describes as a fourth-generation roofer with over 30 years in the industry. Metal Architecture also identifies Lou Rondeau as the business's owner in Mont Vernon. The company offers installation work along with training, consulting and design in natural metals. Its website lists “Certified OSHA 303/305 Outreach Trainer” and “Lead Safety Certified.”
“Natural Metal Associates of Mont Vernon, N.H., installed approximately 1,600 square feet of standing seam copper as the façade of an addition to a renovated home in Cambridge, Mas.”
“Lou Rondeau, owner of Natural Metal Associates in Mont Vernon, N.H., notes, “The walls were 11-gauge prefabricated Corten panels, so they’re heavy and awkward, but worth the workout when you see the finished project.””
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2 changes recorded — last scanned Sep 30, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Natural Metal Associates. 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
$7,900 – $16,400
Typical roofing project around $12,200
Honest assessments5.0
Bathroom renovated from the floorboards up5.0
