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East Wayne Street Historic District <br />II. EXISTING STRUCTURES <br />Guidebook <br />A. Building Materials <br />Original exterior wall materials in the District include limestone, flagstone, stucco, clapboard, wood shingles, <br />sandstone and masonry block. In some instances, vinyl or aluminum siding have been applied over the original <br />surface. <br />Required <br />Original exterior building materials shall be retained. Deterioration of wood materials shall be prevented through <br />repair., cleaning, and painting. The existing or original architectural detail around windows, porches, doors, and <br />eaves should be retained or replaced by replicas of the same design and materials when deteriorated beyond repair. <br />Masonry including brick, limestone, flagstone, sandstone and stucco shall be cleaned only when necessary to halt <br />deterioration or to remove stains and shall be done with a method acceptable for the preservation of the surface: i, <br />e. low pressure water and soft natural bristle brushes. When repairing stucco, stucco mixture compatible in <br />composition, color, and texture shall be used. <br />Recommended <br />Whenever possible, the original building materials should be restored. Metal or vinyl siding may be used when it <br />is the only alternative to maintaining or replacing the original surface material. When used over wood surfaces, <br />this siding should be the same size and style as the original wood. Every effort should be made to retain the <br />original trim around windows, doors, cornices, gables, eaves, and other architectural features. Ample ventilation <br />must be afforded the structure when metal or vinyl siding has been installed in order to prevent increased <br />deterioration of the structure from moisture and/or insects. Mortar joints should be repointed only when there is <br />evidence of moisture problems or when sufficient mortar is missing to allow water to stand in the mortar joint. <br />Existing mortar shall be duplicated in composition, color, texture, joint size, method of application, and joint <br />profile. It is emphasized that, prior to initiating any restoration or rehabilitation effort, the property owner should <br />contact the Historic Preservation Commission of South Bend and St. Joseph County which is located in the <br />County/City Building of South Bend. The Commission is an invaluable source of information about all facets of <br />rehabilitation and restoration. <br />a. ! 1'piraf waod frame watt wlter'e motat wooer rru <br />freely migrates to the out ide. Moisture mar condensr <br />in the wall cavity and he absorbed into llte adjacent <br />mairriab and evaporate eta lite mall is healed by the <br />S1411. <br />— '.71......•..,r .or.aarvrt tvaa tnstuatton aria a vapor <br />barrier fitting in (tward the heated aide of the mall). <br />The vapor Barrier prevents maittute migration, thus <br />kreping llte insulaliort dry. <br />page 41 <br />`tit <br />INTERIOR EXTERIOR <br />INTERIOR <br />EXTERIOR <br />warm, moist air _ cold, drq air <br />Maru% owist air <br />1 cold, der air <br />uvod siding <br />J <br />v r• <br />. <br />insulation <br />moisture <br />McAslure <br />_ _ <br />r <br />condensation <br />vapor furrier <br />plautt <br />page 41 <br />