UNSPSC 30151800: Siding and exterior wall materials

UNSPSC 30151800 Siding and exterior wall materials is a Class code encompassing removal, replacement, and repair of exterior wall cladding, siding, facia, soffit, and related membrane and trim systems on public buildings and facilities. State and local governments solicit work under this code to remediate weather damage, structural deterioration, and aesthetic deficiencies on municipal offices, libraries, ambulance garages, and state maintenance facilities. Recent opportunities show active demand for vinyl siding replacement with fiber-cement or composite alternatives, exterior painting and caulking tied to siding projects, membrane and flashing work, and gutter and downspout installation. Work scopes frequently require site-specific material approvals, prevailing-wage compliance where applicable, and bonding at 100% of contract value. Issuing bodies include county boards of commissioners, city governments, special-purpose library systems, state fish and wildlife agencies, and state transportation departments; no single jurisdiction dominates the recent activity.

Geographic spread spans multiple regions with recent solicitations posted by Georgia (White County Board of Commissioners, City of Tybee Island), Wisconsin (City of Madison), Utah (Salt Lake City Public Library System), Florida (Fish and Wildlife Conservation Commission), and California (Department of Transportation). The White County Board of Commissioners posted an RFP on July 2, 2026, for termite-damaged stud wall and vinyl siding replacement at the EMS Ambulance Garage in Cleveland, Georgia, with proposals due July 31, 2026, requiring Davis-Bacon Act compliance and prevailing wage. The City of Madison, Wisconsin issued an RFB on June 29, 2026, for the Karabis Apartments Painting and Siding Project encompassing exterior surface preparation, gutter and downspout installation, soffit and fascia replacement, and painting, with bids due July 17, 2026. The Salt Lake City Public Library System solicited through RFP 26P02 on March 27, 2026, for comprehensive cladding removal and replacement of exterior cement board with ultra-high-performance rainscreen panels at the Marmalade Branch, with a project budget of $440,000 and construction start targeted for July 28, 2026. The City of Tybee Island, Georgia issued ITB 2026-107 on April 10, 2026, for South Annex Building repairs including approximately 320 square feet of plywood sheathing and Hardie siding installation alongside roofing and gutter work, with sealed bids due May 5, 2026.