About

Orvazeno is an information site on attic insulation and reducing heat loss in Canadian detached homes.

Site purpose

This site brings together descriptive information for homeowners and anyone interested in the thermal envelope of Canadian residential buildings. Content focuses solely on attic insulation: assessing existing conditions, characteristics of common materials, and locating heat loss zones.

Articles draw on recognized public sources: publications from Natural Resources Canada, the Canada Mortgage and Housing Corporation (CMHC), and publicly available standards.

Scope

The site covers only topics related to:

Content limits

Information presented is general in nature. It is not professional advice on construction, engineering, or renovation. For any work project, consultation with a qualified professional is required.

Data on RSI values, public funding, and regulatory requirements change over time. Published information reflects sources at the time of writing. Readers are encouraged to confirm details with competent authorities.

Reference sources

Content updates

Articles are updated periodically to reflect changes in standards, available materials, and public funding. The last update date is shown on each page.

Contact

For questions about site content, use the form below. Commercial requests will not receive a response.

Information on this site is for documentation only and is not professional construction or thermal engineering advice.