{"id":"window-vinyl","version":"0.6.0","classification":{"uniformat":"B2020"},"names":["Window, vinyl frame"],"aliases":["vinyl window","PVC window"],"service_life":{"median_years":30,"range_years":[30,30],"range_basis":"source_spread"},"pm_tasks":[{"task":"Inspect the building envelope, including doors and windows, every year","frequency":"P1Y","reference":"Coastal Construction Manual: Principles and Practices of Planning, Siting, Designing, Constructing, and Maintaining Residential Buildings in Coastal Areas (Fourth Edition), Volume II (FEMA P-55)","url":"https://www.maine.gov/DACF/lupc/laws_rules/materials_incorporated/CoastalConstructionManual_VolumeII_2011.pdf","page":332,"checklist":"14.2 Building Elements That Require Frequent Maintenance"},{"task":"Check window glazing for cracked panes, fogging between insulated glass panes, nicks and failed sealant","frequency":"P1Y","reference":"Coastal Construction Manual: Principles and Practices of Planning, Siting, Designing, Constructing, and Maintaining Residential Buildings in Coastal Areas (Fourth Edition), Volume II (FEMA P-55)","url":"https://www.maine.gov/DACF/lupc/laws_rules/materials_incorporated/CoastalConstructionManual_VolumeII_2011.pdf","page":333,"checklist":"Table 14-1 Maintenance Inspection Checklist (Windows/Doors)"},{"task":"Check window and door trim for decay, discoloration, open joints and dried-out or separated caulking","frequency":"P1Y","reference":"Coastal Construction Manual: Principles and Practices of Planning, Siting, Designing, Constructing, and Maintaining Residential Buildings in Coastal Areas (Fourth Edition), Volume II (FEMA P-55)","url":"https://www.maine.gov/DACF/lupc/laws_rules/materials_incorporated/CoastalConstructionManual_VolumeII_2011.pdf","page":333,"checklist":"Table 14-1 Maintenance Inspection Checklist (Windows/Doors)"}],"basis":[{"type":"public_document","life_type":"planning","title":"CNA e-Tool Estimated Useful Life Table","by":"U.S. Department of Housing and Urban Development","url":"https://www.hud.gov/sites/documents/eul_for_cna_e_tool.pdf","page":8,"code":"HUD CNA 3.3.3.2.4","label":"Vinyl","years":30,"note":"Same life for family and elderly properties. US multifamily housing."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["Only one source so far: HUD planning lives for US multifamily housing. Canadian and observed sources are needed.","Written for residential buildings in coastal areas, where the annual inspection is recommended because of salt, wind-borne debris and moisture; the interval may be conservative for inland buildings. Mirror copy hosted on maine.gov."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/window-vinyl","versioned_url":"https://unfinished.one/c/window-vinyl/v/0.6.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Window, vinyl frame, v0.6.0. https://unfinished.one/c/window-vinyl/v/0.6.0"}