Chatham Towers

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Project History
Chatham Towers is a lower Manhattan landmark. Designed by Kelly and Gruzen, the dynamic twin 25-story buildings are a testament to the strong architectural styles of the 1960s. Previous repair work had failed. Large patches of unmatched mortar were clearly visible and gave the towers a mottled appearance. A primary concern, for both architect and contractor, was matching both the original color and pattern. The concrete had a pronounced wood grain texture with bug holes and voids. Howard L. Zimmerman Architects specified and pre-matched the color of the Matrix, M3P, and M3P Stain to the original concrete. Quality Building Contractors skillfully replicated the subtle patterns in the primary formwork. M3P and semi-transparent M3P Stain were chosen to blend and minimize the appearance of old and new repairs. The mineral silicate coatings both added subtle color uniformity without giving the towers a painted look. In addition, M3P and M3P Stain are effective water repellents and protect the structures from water damage and carbonation.

M3P Stain
Howard L.
Architects, P.C.,
New York, NY
Quality Building
Contractors Inc.,
Great Neck, NY
Products, Inc.,
North Haven, CT
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