By using this site, you agree to these terms.
Educational use only
Content and calculators provide general planning information. They are not engineering, plumbing, public-health, environmental, legal, financial, insurance or contractor advice.
No project approval
Results do not establish code compliance, drinking-water safety, structural adequacy, drainage rights, flood performance or suitability for a specific property.
Your responsibility
You are responsible for verifying inputs, local rules, permits, product requirements and professional qualifications. Do not rely on the site where an error could cause injury, contamination, property damage or legal non-compliance.
Availability and changes
The site may be corrected, changed, suspended or removed without notice. Features and external links may not always be available.
Intellectual property
Site text, design and original graphics are protected by applicable copyright. Limited personal use is allowed; republication, scraping for republication or commercial copying requires permission.
Limitation
To the maximum extent allowed by law, the publisher is not liable for losses arising from use of or reliance on the site. Nothing excludes liability that cannot lawfully be excluded.
Governing context
These terms are governed by applicable laws of Ontario and Canada, without overriding mandatory consumer rights in another jurisdiction.
Effective date: August 5, 2026.