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ARB warns against caulk repairs on masonry; schedules preservation training for members
Summary
At its June 12 meeting, Decatur ARB staff warned that using caulk or foam to fill missing mortar can cause spalling and structural problems, and announced in‑person and virtual training dates for board members and the Historic Preservation Commission.
Staff warned the Architectural Review Board on June 12 about improper masonry repairs after inspecting a property on Multifin Inn where workers had used caulk and Great Stuff foam to fill mortar joints.
“Caulk and foam are not appropriate for masonry repairs,” John, a city staff member, said, explaining that those materials can be water resistant and may prevent moisture from escaping, increasing the risk of spalling and structural damage. He advised that the owner bring in a masonry professional to repoint where mortar is missing.
Staff said code enforcement has been involved because the condition affects structural components of a porch and foundation. The presentation described multiple empty tubes of caulk and foam used to fill most mortar joints on one side of the building and recommended removing unsuitable material and performing appropriate repointing.
Separately, staff announced training opportunities for ARB and the Historic Preservation Commission: an in‑person session on Friday, Aug. 1 geared specifically to ARB and HPC with a former chair of the Annapolis, Maryland, preservation board as a speaker; a virtual survey/inventory session and a virtual legal/code enforcement session tentatively scheduled for July 25; and a two‑day virtual short course from the National Alliance of Preservation Commissions in August. Staff asked members to email if they want the city to register them; the city will pay registration fees for attendees.
Staff said the July 25 virtual sessions would be recorded, though recorded attendees would not be able to ask live questions. In addition, staff noted she is serving as a national trainer and will lead a session on community outreach during the national virtual course.
