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When repairing stucco, stucco mixture shall be used. A professional shall make a study of the old stucco, to determine the exact mixture and • underlayment used in the original work. Some repair methods are not compatible with the original techniques and may cause early disintegration of the repair work and the original work. Ample ventilation must be afforded the structure when siding is installed, in order to prevent increased deterioration of the structure from moisture and insects. Recommended Whenever possible, the original building materials should be restored. When maintaining or repairing original siding is not feasible, aluminum, vinyl or composite siding may be used. When used over wood surfaces, this siding should be the same size and style as the original wood. Every effort should be made to retain the original trim around windows, doors, cornices gables, eaves and other architectural features. Property owners should contact the Historic Preservation Commission of South Bend and St. Joseph County prior to initiating any restoration or rehabilitation effort. [ Address and contact information is listed in the front of the Guidebook.] The Commission is an invaluable source of information about all facets of rehabilitation and restoration — materials, methods, contractors and the like. Prohibited Wood siding shall not be resurfaced with new materials that is inappropriate or was unavailable when the building was constructed, such as artificial stone, brick veneer, asbestos or asphalt shingles. Sandblasting or the use of harsh detergents shall not be used on masonry including brick, stucco, limestone, flagstone and sandstone. This method of cleaning erodes the surface material and accelerates deterioration. Repointing shall not be done with a mortar of high Portland cement content which can often create a bond that is stronger than the building material. Usage of Portland cement can cause deterioration as a result of the differing coefficient of expansion and porosity of the historic masonry unit and the mortar. This most often results in serious damage to adjacent brick. Unpainted masonry surfaces shall not be painted unless they had been painted originally. Paint shall not be removed from masonry surfaces by any means that damage the surface. Not Recommended Waterproof or water repellant coatings or surface consolidation treatments should not be used on masonry surfaces unless required to solve a specific problem that has been studied and identified. Coatings are frequently unnecessary and expensive, and can accelerate deterioration of the masonry. Mortar joints, which do not need repointing, should not be repointed. Wood siding should not be power -washed. C. WINDOWS AND DOORS Window and door frames are in most cases wood and vary depending upon the style of the home. Many are double -hung windows with wood trim and sills. Brick structures have stone sills and brick lintels. In some cases where aluminum siding has been applied, the window and door trim has been covered. About half of the structures in the district have aluminum storm windows; the other half have wood storm • windows. Required Original windows and doors shall be retained including sashes, lintels, sills, shutters, decorative glass, pediments, hoods and hardware. When deteriorated beyond repair, they shall be replaced with units and trim resembling the original. 0 Recommended Wood storm windows and doors painted or finished to match the original should be used but should not damage existing frames. If new sashes or doors are installed, the existing or original materials, design and hardware should be used. When metal storm doors are used, they should be painted, anodized or coated to match the existing. When awnings are used, they should be of canvas material. STAFF RECOMMENDATION: Staff would divide the components of this application into two categories: 1) the replacement of non -original windows with Quaker Classic Fit Series Windows, and 2) the replacement of original windows with Quaker Classic Fit Series windows. The replacement of the non -original windows on the South and East side is received favorably by Staff, and is therefore recommended for approval. The replacement of the original windows is considered less favorably, and staff would recommend that they be rehabilitated. In the event that the rehabilitation of the windows is not financially viable or physically possible, staff would recommend that those windows be replaced by Quaker Classic Fit Series units. Written by Adam Toering Historic Preservation Specialist Approved by Elicia Feasel Historic Preservation Administrator