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Board approves 1‑inch standing‑seam galvalume roof at 153 Washington St.
Summary
HARB approved replacement of a 5‑V crimp metal roof with a 1‑inch standing‑seam galvalume roof at 153 Washington Street, citing precedent for lower‑profile standing seam panels in similar contexts and the owner's concerns about failing fasteners.
The Historic Architecture Review Board unanimously approved a partial demonstration/certificate of demolition application to replace a 5‑V crimp metal roof with a 1‑inch standing‑seam metal roof in a galvalume finish at 153 Washington Street.
Staff noted traditional local roof profiles historically included 3‑V and 5‑V crimp and corrugated metal and recommended galvalume or unpainted galvanized steel where possible. The applicant (speaker 18) told the board the standing‑seam system would hide fasteners that have been rusting and backing out on the current installation, addressing ongoing leakage problems.
Board members said the lower‑profile standing seam had precedent in the jurisdiction and that a 1‑inch seam would be acceptable; they recommended clarifying the finish color as galvalume. The board approved the proposal by motion and roll call.
Staff will record the approved panel profile and finish in the permit materials.
