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Winterizing the Interior of Your Boat

Winterizing is an important step to take when you’re preparing your boat for storage over the winter seasons. Winterizing can simply be described as taking the proper steps to ensure no parts of your boat get damaged by sub-freezing temperatures. While most of the winterization process involves the engine and other technical components of your boat, steps also must be taken to winterize the interior of your boat, particularly if you have a cabin. Let’s take a look at some of those steps.

Prepare Knits and Fabrics

This includes bedding, blankets, tablecloths, towels, and hand-rags. You’ll want to bag all of these things up and take them to a dry place. Humidity will be overwhelmingly present in boat cabins, even during the winter. All of the aforementioned items are susceptible to humidity/chill damage

Remove Liquids From Cabin

Many liquids expand when the freeze. From coffee to syrups, it’s important to remove any liquids from your boat’s cabin. Whether they’re on the counter or in the refrigerator, they’re prone to causing a real mess when they inevitably freeze.

Prepare Your Bathrooms

If you have any, you’ll want to make sure to remove all liquids from your bathroom, such as soaps and sanitizing liquids. You’ll want to make sure that any extra fluid in your holding tank has been appropriately de-fumed and disposed of.

boat maintenance


Dehumidifying is a crucial step to take, as far as winterizing the interior of your boat is concerned. Excess humidity that accumulates can freeze and destroy surfaces of the inside of your boat’s cabin. This can happen anywhere, so it’s best to strategically position several dehumidifiers to get the job done.

The process of winterizing the interior of your boat consists of many steps. All in all, it’s a simple process that might take some time to have completed. Mostly, it’s about paying attention to details and the liquids in your boat’s cabin!