Wilmington Design Standards for Historic Districts and Landmarks

6 5 4 3 2 1 Standards for Building Changes Design Standards WILMINGTON HISTORIC DISTRICTS AND LANDMARKS 63 7 In early Wilmington, where fi re was a constant threat, brick was used for warehouses and commercial buildings beginning in the late 18th century. Brick was also used for street paving, for building structural and decorative walls, and for underpinnings , pathways and driveways within the historic districts. Stone ballast from overseas supplied the foundations for early houses. Beginning in the late 19th century, many of the commercial buildings had a stucco fi nish often with terracotta details. Sandstone appears as trim and as applied ornament. Granite curbing is common throughout all the historic districts. Dudley Mansion Wall Corner of South Front Street & Nun Street Source: City of Wilmington 3 4 5 7 Eliminate any forms of vegetation that may cause structural damage or prevent surface drainage. It is not appropriate to apply paint or other coatings to unpainted masonry elements that were never painted. It is not recommended to waterproof masonry as a substitute for repointing or repair. Water repellent coatings are permitted as they do not trap moisture. Sealants are prohibited. It is not appropriate to use high-pressure cleaning methods such as sandblasting and waterblasting on historic masonry surfaces. Such cleaning techniques permanently damage the masonry surface and accelerate deterioration. Retain and preserve original and or historic masonry walls, foundations , and construction features including chimneys, arches, quoins , cornices , and pediments . 1 If replacement of deteriorated material is necessary, match the new materials to the original materials in composition, size, shape, color, pattern and texture. It is not appropriate to use new masonry materials, which were unavailable when the building was constructed. 2 6 Removal of paint from masonry surfaces is only recommended if the surface was not historically painted. Undertake removal only with a chemical paint remover speci fi cally formulated for masonry. Always test the remover on an inconspicuous area or a test panel fi rst. Standards: Masonry /Stone 3.3 Masonry /Stone

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