Uniformat B3010

Roof, asphalt shingles

Also called shingles, shingle roof

• Confidence B
• Version 0.2.0 (permanent link)
• Reviewed 2026-10-21

This is version 0.2.0. The latest is 0.3.0.

Service life

Years in service. The band runs from the shortest to the longest life the sources state, so it shows how much they disagree, not how long 80% of units last. The line is the median of the stated lives.

Basis

• 20 years · CNA e-Tool Estimated Useful Life Table, p8 · HUD CNA 3.3.4.1.1 “Asphalt Shingle” — U.S. Department of Housing and Urban Development (planning life)
  Same life for family and elderly properties. US multifamily housing.
• 25 years · The Blue Mountains: POL.COR.19.04 Tangible Capital Assets Policy, p11 · “Roofing - Asphalt Shingles” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 20 years · Grey Highlands: By-law No. 2026-052, Tangible Capital Asset Policy A09-F-03, p11 · “Asphalt Shingles” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 25 years · Meaford: By-law 2020-83, Tangible Capital Asset Policy, Appendix A Estimated Useful Lives, p17 · “Roof - Asphalt Shingles” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.

How sources are chosen and recorded: sourcing policy.

Preventive maintenance

No maintenance tasks are sourced for this component yet.

Open questions

• HUD gives planning lives for US multifamily housing; the municipal rows are Ontario accounting lives. Neither is observed replacement data.
• No preventive maintenance tasks are sourced yet.

Know the answer? Send it with a source to [email protected].

Cite this

Citation

unfinished.one (2026). Roof, asphalt shingles, v0.2.0. https://unfinished.one/c/roof-asphalt-shingle/v/0.2.0

BibTeX

@misc{unfinished_roof_asphalt_shingle_0_2_0,
  title = {Roof, asphalt shingles},
  author = {{unfinished.one}},
  year = {2026},
  version = {0.2.0},
  url = {https://unfinished.one/c/roof-asphalt-shingle/v/0.2.0},
  note = {CC BY 4.0}
}

Licence CC BY 4.0 · How to cite · JSON · Versions: 0.3.0, 0.2.0, 0.1.0