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Representative proposes copper-clad frame for Bennington Battle Monument as lower-cost preservation alternative
Summary
Rep. John Sweeney presented a design-build concept to sheath the Bennington Battle Monument in a stainless frame with copper panels, estimating $8–12 million as an alternative to a previously proposed $40 million restoration; members asked for engineering input and broader community consultation.
Representative John Sweeney (Chittenden-7) presented a design-build proposal to the committee to protect the Bennington Battle Monument by encasing it in a stainless-steel frame and copper panels — an approach he compared to how the Statue of Liberty was assembled and shipped in pieces.
Sweeney said the monument’s porous limestone will continue to absorb water and that traditional restoration work could require repeated, costly interventions. He proposed prefabricated panels installed on an exterior frame, interior ventilation and dehumidification, and interior access for long-term maintenance. “Why don't we just build a brand new Bennington Battle Monument the same way?” he asked during his presentation.
He provided rough cost estimates: about 40,000 square feet of exterior coverage, an industry quote of roughly $5,000 per 100-square-foot “square” of copper roofing (a lead estimate) that produced a $2 million raw-material number; Sweeney doubled and expanded those figures in his presentation to arrive at an $8 million to $10 million budget range and later referred to $10–12 million as a working estimate. He contrasted that amount with a prior $40 million restoration proposal and argued the wrapped-shell idea could extend the monument’s life at lower cost.
Committee members and other attendees questioned engineering details — for example, galvanic corrosion between copper and stainless steel, ventilation and moisture management, maintenance access and how the public would react to changing the monument’s visible material. Participants suggested testing alternative materials (aluminum, different stones) and aging samples of copper panels to show how patina would look over time. Several speakers urged Sweeney to take the concept to engineers, to preservation professionals and to monument stakeholders for technical review and community feedback.
Why it matters: the monument is a regional landmark and draws visitors to Bennington and surrounding communities. Committee speakers said any preservation approach must balance durability, maintenance needs, community attachment to the monument’s appearance and tourism appeal.
No formal action was taken. The committee agreed the idea merits technical evaluation and recommended arranging follow-up meetings with Historic Preservation staff, engineers and local monument stewards.
Ending: Sweeney said he would be willing to present the idea to state engineers and to meet with preservation staff and monument stakeholders; committee members asked staff to consider convening a technical briefing so engineers and preservation experts can comment on materials, moisture management and long-term maintenance costs.
