

These typically are installed with galvanized or aluminum roofing nails. Wood garage doors typically use a simple strip-style seal with angled edges that seal against the front of the door and the floor. You might also feel a draft or see water if the outside of the door gets wet.


You'll know it's time to replace the bottom seal when you can see daylight below the bottom of the door when it is closed. The flexible material compresses when the door closes, sealing the gap along the floor to keep out water, dirt, cold breezes, and critters. The garage door bottom seal (or door sweep) is a long strip of rubber or vinyl that attaches to the bottom edge of the garage door. Here are five ways to weather-seal your garage door.
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Because it's vital that your garage door work and seal properly, you may want a professional garage door installation company to handle the job. Sometimes, the garage door needs a gasket replacement, adjustment, or other type of repair. If your garage door is working well, then weather-sealing can be mostly a DIY job. If water enters your garage, it could freeze to create ice and water damage that will ruin your floor and potentially seep into your living spaces. It's also important to weather-seal your garage to protect your home from damaging elements like fierce rain, snow, hail, and wind. Importance of Weather-Sealing Your Garage It may also include adding thin weatherstripping between the door panels if you want to make the door as airtight as possible. Weather-sealing a garage door usually involves a simple process of adding or replacing the bottom door seal and the weatherstripping on the stop molding along the sides and top of the door. In more extreme cases, the concrete floor or driveway apron under the door can shift, crack, or settle, creating large gaps under the door that standard seals can't cover. Garage doors are very large, and while all come with a bottom seal to keep out water, wind, dirt, and unwanted intruders, the seals themselves can break down over time. If you've noticed water, dirt, or rodent droppings in your garage, there's a good chance the problem can be traced back to your garage door.
