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(A) Exceptions. The following are not subject to the exterior material standards as contained herein.
(1) Structures or buildings located within the city’s Historic District. Such buildings or structures must receive a certificate of appropriateness from the Heritage and Architecture Commission, subject to the requirements of Chapter 150 of the Municipal Code.
(2) Exterior building materials approved for a development prior to November 17, 2021, when such approved materials are in conflict with the requirements contained herein.
(B) Prohibited materials in all districts.
(1) Neon tubing used to line windows, highlight architectural features on buildings or other similar uses is prohibited.
(2) Neon tubing integrated into signage is subject to Chapter 155 of the Municipal Code.
(C) In all zoning districts.
(1) The use of building materials that have high-recycled content, in lieu of their non-recycled equivalent (including, but not limited to, carpet, floor tiles, wall base, furniture, ceiling tiles, and the like), is encouraged.
(2) Whenever possible, building materials that have been processed and manufactured regionally shall be selected over equivalent products processed and manufactured outside a 500-mile radius of the development site.
(3) Whenever possible, only wood from Forest Stewardship Council (FSC) certified sources should be used.
(4) The use of white EPDM or TPO roofing membrane is required on low-slope roofs, to minimize heat gain and reduce energy costs.
(D) Residential districts. The following are minimum exterior building material standards for residential buildings.
(1) Single-family detached. Residential design must include a minimum of 50% masonry, exclusive of doors, windows and trim, on three distinct facades (front, side(s), rear), unless exceptional design consistent with historic architectural design and material styles found primarily in the downtown area is utilized. This approach provides flexibility to the architect and/or developer to provide home designs that may not meet the percentage requirement, but are consistent with the established architectural materials for the design styles selected. It is the applicant’s responsibility to identify consistency with the community’s historic character. Typical styles found in Lockport include:
(e) Arts and Crafts;
(f) American Foursquare;
(g) Greek and 20th Century Revival;
(h) Mid-Century Modern;
(i) Current day products, including, but not limited to, Urban Farmhouse, Modernist and Cottage Homes are acceptable, provided the presentation conveys how they reflect best-practice detailing for those styles.
(2) Residential dwellings, except single-family detached. Fifty percent of all elevations, exclusive of doors, windows and trim, shall be constructed of masonry material, unless exceptional design consistent with historic architectural design and material styles found primarily in the downtown area is utilized.
(3) Masonry materials defined. For the purposes of this section, MASONRY MATERIALS includes brick, stone, stucco or other similar materials, but does not include concrete or concrete masonry units. Cementitious siding (Hardie-board) is an acceptable material substitute for masonry, but only if consistent with the proposed architectural style’s historical material appearances.
(4) Other potential supplementary materials. Architectural-grade (0.44 m or greater) vinyl or composite siding; cedar siding; architectural-grade, metal panel systems in modern design structures. Other materials can be submitted for review and approval, provided they are consistent with the architectural character of the building design.
(E) Commercial. The following are minimum exterior building material standards for commercial buildings.
(1) Classes of materials. Materials shall be divided into the following four classes:
(a) Class I: Face brick, stone, glass/aluminum storefront, ceramic/stone tiles, textured and architecturally finished concrete, or prefmished metal panels (in-line retail only). Other comparable materials may approved by the city;
(b) Class II: Specialty concrete block such as textured, burnished or rock-faced CMU, imitation brick or stone, or stucco and synthetic stucco. Other comparable materials may approved by the city;
(c) Class III: Opaque panels, ornamental metal or metal panels, or preformed insulated cornice panels. Other comparable materials may approved by the city;
(d) Class IV: Smooth concrete masonry units, smooth scored concrete masonry units, glass block or wood. Other comparable materials may approved by the city.
(2) Relative uses of classes of materials. Buildings shall incorporate classes of materials in the following manner.
(a) Freestanding buildings.
1. Freestanding buildings must use at least two Class I materials on 60% of each facade; not more than 30% Class II or Class III materials; and not more than 10% Class IV materials.
2. Exposed architectural precast panels shall be limited to not more than 10%.
(b) In-line retail buildings.
1. Facades facing the public right-of-way or public parking must use at least two Class 1 materials on 60% of each facade. The use of Class II and III materials shall not exceed 30% of the facades facing the public right-of-way and public parking. Not more than 10% Class IV materials may be used on a facade.
2. Facades that do not face the public right-of-way or public parking must use a minimum two Class I materials over a minimum 60% of the facade, and a maximum of 40% Class II, Class III or Class IV materials.
(c) Variations in color.
1. A distinctively different color of face brick may be considered as a second Class I material.
2. However, minor blended variations in brick color or texture shall not be considered as a separate Class I material.
(1) Office buildings must incorporate at least two of the following materials on all elevations: face brick, architectural steel and aluminum, stone, glass, exposed aggregate panels, textured or architecturally finished concrete, steel or wood. Equivalent or better materials, or any combination of the above, may be used in a well-conceived or creative application.
(2) Common brick, concrete block, split-face block, corrugated metal or preengineered metals installed with exposed fasteners are prohibited.
(G) Industrial and manufacturing.
(1) Industrial and manufacturing buildings must incorporate at least two of the following materials on all elevations: face brick, architectural steel and aluminum, stone, glass, exposed aggregate panels, textured or architecturally finished concrete, steel or wood. Equivalent or better materials, or any combination of the above, may be used in a well-conceived or creative application.
(2) Split-face block is only permitted on front and side facades where architectural features (such as columns, horizontal bands, and the like) are incorporated into the facades.
(3) Corrugated metal or pre-engineered metals installed with exposed fasteners are only permitted on front facades if 50% of the front facade is masonry; and are only permitted on side facades where architectural features (such as columns, horizontal bands, and the like) are incorporated into the side facades.
(Ord. 21-036, passed 11-17-21)