UNSPSC 30151803: Siding butt joints

UNSPSC 30151803 Siding butt joints is a Commodity code that encompasses repair, replacement, and installation of exterior siding materials and related finishing work at public buildings and facilities. State and local governments procure under this code primarily for building envelope restoration, particularly when existing siding is damaged, deteriorated, or requires replacement as part of facility maintenance or capital improvement projects. The work includes removal of failed siding, installation of new materials (vinyl, fiber cement, or wood), surface preparation, caulking, and coordination with related repairs such as soffit, fascia, gutters, and interior wall restoration. Issuing bodies span county governments, municipal authorities, and special-purpose development entities. Work is typically solicited as part of broader facility repair projects rather than siding-only contracts, bundled with painting, structural repairs, or building-system upgrades.

Recent opportunities cluster in Georgia and Wisconsin. The White County Board of Commissioners (Georgia) issued an RFP in July 2026 for termite-damaged exterior vinyl siding replacement with Hardie Plank Lap Siding at the EMS Ambulance Garage in Cleveland, with proposals due July 31, 2026, and a mandatory pre-proposal meeting on July 10. The City of Madison Community Development Authority (Wisconsin) issued an RFB in June 2026 for the Karabis Apartments Painting and Siding Project, with bids due July 17, 2026, including removal and replacement of damaged soffit, fascia, and exterior surfaces, subject to Davis-Bacon Act prevailing-wage compliance. Both solicitations required commercial general liability insurance ($1,000,000 per occurrence minimum), workers' compensation coverage, and lump-sum pricing inclusive of labor, materials, permits, and inspections. Licensed commercial general contractors and performance-bonded firms are the primary competitors in this code space.