The ICFPro Library

ICF Guides:
Everything We Know About Building With ICF in Ontario

Thirty years of pouring ICF, written down. Costs, code, design, the build itself, and the honest answers to the questions we hear every week. Pick a topic and dig in.

Updated: October 2026Read time: 2 minutes
Where to start

New to ICF? Start with what ICF is, then what it costs and whether it is worth it. Planning a build? Go to permits, engineering and questions to ask a contractor. Want a quick number? Try the ICF cost estimator.

Costs and Budget

ICF Basics

Blocks, Brands and Design

Code, Permits and Engineering

The Build Process

Foundations and Basements

Performance and Comfort

Project Types

Hiring and Local Help

Have a Question the Guides Do Not Answer?

Send it to us, or send your plans. Real answers from a crew that has poured more than 300 ICF projects.