09/03/2026
: The September Sweat 🏚️💦
The Myth: "As soon as the nights get cool in early September, you should seal up your crawlspace vents to keep the cottage floors warm and toasty." 🌡️🏚️
The Reality: We call this the "September Sweat." While the nights are getting crisp, September days in the Highlands are often still warm and incredibly humid. If you seal those vents now, you trap that heavy, moist air under your home. When the temperature drops at night, that trapped moisture hits your cool floorboards and turns into immediate condensation. This creates a high-moisture environment that feeds mold, mildew, and wood rot all autumn long. 🍄🪵
The Fix: Let the cottage breathe! To protect your Haliburton property, leave your crawlspace vents completely open until the daytime temperatures are consistently cold (usually late October). You want that air moving until the humidity levels finally drop for the winter. 🏠🧤