Cement coating applied without permits will damage masonry. Without permits, the owner of 315 President Street in the Carroll Gardens Historic District applied an orange, heavy cement-based waterproof coating to the exterior of his 1876 neo-Grec masonry rowhouse believing that it would protect the building, and also altered the windows. Following warning letters from Landmarks, the owner applied to legalize the waterproofing treatment and windows.

Denying both alterations, Landmarks advised the owner that if the … <Read More>