# International Building Code > The 2018 International Building Code, adopted under Pennsylvania's Uniform Construction Code. Summary reference only — the verbatim text of this current edition is copyrighted and not reproduced here. - Canonical: https://harth.build/resources/building-codes/us-states/pennsylvania/ibc-2018/ - Last updated: 2026-06-23 ## Direct answer and reference scope International Building Code is presented here as a reference within the IBC 2018 collection for Pennsylvania. The 2018 International Building Code, adopted under Pennsylvania's Uniform Construction Code. Summary reference only — the verbatim text of this current edition is copyrighted and not reproduced here. Use the [Pennsylvania Department of Labor and Industry](https://www.pa.gov/agencies/dli/programs-services/labor-management-relations/bureau-of-occupational-and-industrial-safety/uniform-construction-code-home) to confirm the code edition currently adopted for the project, and compare the model text with state amendments, local amendments, effective dates and the permit authority's interpretation. The [ICC code library](https://codes.iccsafe.org/codes) is the model-code publication path. This Harth page is a searchable reference transcription, not an official code publication, legal opinion or confirmation that this edition controls a particular address. Record the project jurisdiction, application date, occupancy, construction type and amendment set before relying on a section. Where this page conflicts with an official publication or the authority having jurisdiction, the official source controls. _Authored and prepared by Harth. Review scope: official verification path added; code text and current local applicability have not been independently reviewed._ The 2018 International Building Code, adopted under Pennsylvania's Uniform Construction Code. Summary reference only — the verbatim text of this current edition is copyrighted and not reproduced here. --- - Continue in Harth (open this topic in the Harth agent): https://app.harth.build/agent?context=%2Fresources%2Fbuilding-codes%2Fus-states%2Fpennsylvania%2Fibc-2018%2F - View this page in a browser: https://harth.build/resources/building-codes/us-states/pennsylvania/ibc-2018/ - All resources for agents: https://harth.build/llms.txt