Guarding Your Garage: How to Flood-Proof Your Garage

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man fixing his garage door

The Impact of Garage Flooding

The garage may arguably be the most vulnerable areas for flooding in our homes, apart from the basement. We have to remember that garages are more than just our personal parking space, but are oftentimes used as workshops, extra storage areas, and tool sheds. If water does manage to get into and flood the garage, it can damage the shelves and any items it comes into contact to. Not only that, but it may permanently damage any electronic and mechanical appliances and equipment inside such as refrigerators, heaters, generators, and may even short-circuit plugs.


In order to prevent flooding, it’s important that you know the different possible causes of garage flooding. Most garage flooding incidents are weather-related, due to storms and even dams, lakes, and rivers spilling over. Other sources can be due to fresh water and sewage pipe bursting due to clogging, impact, and other damages, and can seep into your garage through your yard.


Weatherstrippings won’t only keep water out, but also snow and sleet. As such, you’d want to ensure that the weatherstripping of your Salt Lake City home’s garage door is of good quality and in top condition. Weatherstrippings suffer from wear and tear, so it’s important that you replace them every few years or so.

Fill in Foundation Cracks and Damages

concrete cracksCracks on your garage’s foundation can naturally occur through time as the home shifts and settles, but can also be due to earthquakes or poor construction. Whichever the case, cracks are where water can seep through in case of underground sewage or water pipe damage, as well as during storms. So make sure that you fill in any cracks you find in your garage floor, or use waterproof paint or concrete patches on minor ones. You can also invest in epoxy floor coatings for your garage which can make it look better, but also slip-proof, water-proof, and easier to clean.

Proper Landscaping and Elevation

It’s important that you grade your lawn in a way where the natural slope of your lawn helps in diverting water away from your home. Your yard’s soil should slope in a way wherein rainwater and water from the roof flow away. Make sure that you also slope your driveway in a similar manner; wherein the garage is slightly more “elevated” and the driveway slopes upwards towards the garage to prevent water from flowing inside and pooling.

Flood Vents and Drainage

Lastly, it’s important that you have proper drainage for your garage. You can install a French drain that serves as a barrier to prevent any excess water from entering your garage. Your gutters and waterspouts should also be well-maintained and should be facing away from your home and garage.

Bonus: In Case of Inevitable Flooding

If you’re expecting a storm and flooding is inevitable, it’s best to minimize the damage by putting sandbags (a popular and effective flood diversion and prevention control tool) around or inside your garage to seal it off. And you can also invest in overhead and wall-mounted shelves for storage. The bottom line is to put any garage items above the possible flood levels by smartly designing and planning your storage. Any electronic devices and appliances (and their wiring) should also be situated above the possible flooding levels.


Flooding can come from different sources which is why flood prevention measures for your garage is integral in order to keep your garage and the items stored within safe from water damage. So take the time to look around your garage and see which flood prevention methods you can utilize, especially if you’re expecting a storm to pass by.


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