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About
About this resource
riverparlorway.org is an independent reference focused on a narrow subject: how attic insulation, air sealing, and roof ventilation interact to reduce ice dams in cold Canadian climates.
What this site covers
The material here is organised around three connected topics: attic insulation levels, balanced attic ventilation, and the practical steps that reduce ice dams. The aim is to explain how these factors work together, using plain language and concrete examples rather than marketing claims.
How the content is written
Articles describe widely accepted building-science principles. Where a precise figure depends on local code or specific conditions, the text uses neutral wording and points readers to public authorities instead of quoting numbers that may not apply to a given home.
- No invented statistics or studies.
- External links go only to recognised public bodies.
- Dates of last update are shown on each page.
Scope and limits
This is a general reference, not a substitute for an on-site assessment. Roofs, attics, and climates differ, and local building codes set the binding requirements. For decisions about a specific building, consult a licensed contractor, a building inspector, or your local authority.
Contact
Questions can be sent through the contact form on the home page, or by email at info@riverparlorway.org. The form runs entirely in the browser and does not transmit data to a server.