Frost on the wood in my attic: Why it’s there and how to fix it?
During the frigid winter months, many homeowners experience frost in their attics. It’s more common than you may think, and many people tend to overlook it if they don’t frequently visit the attic during the winter. If you do have an excess amount of frost, it can look quite intimidating and scary. Read on to learn about why frost accumulates on the wood in your attic, and how to ensure this winter is frost-free.
How does it get there?
The frost you see collecting in your attic starts from inside your home. When you create warm air to heat your home in winter, that same hot hair will rise and seep into the attic. Warm air has a very high moisture content, so when it latches onto a cold surface, like your attic walls, the moisture will condense and freeze.
What happens if left untreated?
The actual frost won’t do any damage, but when it melts, things will take a turn for the worse. Melting frost can lead to excessive water damage, mold, roof deterioration, unpleasant odors, and water stains. Remember, any water that enters your house other than the sink, toilet, or washroom will cause damage. You definitely want to avoid having frost in your attic, and if you have any, be sure to take care of it right away to prevent further more costly damages.
How to fix it?
Take measures to lower the indoor humidity in your home, like installing exhaust fans in the kitchen and bathrooms, or investing in an HRV if you don’t already have one. The most permanent fix would be to seal off your attic bypasses and install more insulation to help prevent any frost from accumulating in your attic.