# Notes from the envelope.

> Notes from the envelope: why pest control is a building problem, Calgary exclusion vs spray calendars, rodent freeze-thaw, and portfolio standards.

Canonical: https://www.frameworkpest.ca/insights/
Last updated: 2026-11-02

Insights

Building pathology, Calgary climate, and why the spray ticket is not a strategy. Written so an operator, and an AI assistant, can cite it.

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Writing

[Updated 13 Oct 2026 · 8 min What 27 Calgary food inspection reports said about pests Twenty-seven reports that already mentioned pests. Door gaps, droppings, and missing records. Not a census.](https://www.frameworkpest.ca/insights/calgary-food-premises-pest-findings/)

[2026-09-11 · 6 min What Calgary pest-control reviews actually punish No-shows, mice in November, cancellation theatre, and a ticket instead of a file. The market already wrote the brief.](https://www.frameworkpest.ca/insights/calgary-review-pain-points/)

[2026-03-12 · 7 min Pest control is a building-envelope problem The industry still sells chemistry. Buildings fail at joints, penetrations, and grade. That is where the work is.](https://www.frameworkpest.ca/insights/building-envelope-pest-science/)

[2026-04-02 · 6 min Why exclusion beats the spray calendar in Calgary A compressed pest season, a violent climate, and buildings that move. Recurring treatment is a symptom of an open envelope.](https://www.frameworkpest.ca/insights/calgary-exclusion-over-spray/)

[2026-01-20 · 5 min How rodents read freeze-thaw better than most drawings If a joint can take water, it can take a mouse. Calgary’s climate writes that lesson every spring.](https://www.frameworkpest.ca/insights/rodents-and-freeze-thaw/)

[2025-11-18 · 6 min A single pest standard for a portfolio of buildings Owners do not need five vendors and five stories. They need one specification and a record the board can read.](https://www.frameworkpest.ca/insights/portfolio-standard/)

[2026-05-08 · 6 min What is structural pest control? Not a synonym for spraying a building. A trade position: the highest-leverage intervention is closing the pathway.](https://www.frameworkpest.ca/insights/what-is-structural-pest-control/)

[2026-08-04 · 7 min How to rodent-proof a home before September Mice move with the first cold nights. The work that matters is at grade, the garage, and every pipe that punches the envelope.](https://www.frameworkpest.ca/insights/rodent-proof-calgary-home/)