Water leaking into garage when it rains?

Water leaking into garage when it rains?


Water leaking into the garage when it rains can be a frustrating problem for homeowners. Not only can it damage the belongings stored in the garage, but it can also lead to structural issues if left unaddressed. Understanding the causes of water leakage and taking appropriate measures can help prevent further damage and ensure a dry and functional garage.

Possible Causes of Water Leakage

There are several potential causes for water leaking into the garage during rainfall. Identifying the source of the problem is crucial in order to implement the appropriate solution. Here are some common causes:

1. Poorly sealed garage doors: One of the most common causes of water leakage is a garage door that is not properly sealed. Over time, the weatherstripping around the door may deteriorate, allowing water to seep through the gaps. Inspecting and replacing the weatherstripping can help prevent water infiltration.

2. Cracks in the garage floor: Another possible cause of water leakage is cracks in the garage floor. These cracks can develop over time due to the natural settling of the foundation or as a result of heavy vehicles or equipment being parked in the garage. Sealing the cracks with an appropriate concrete sealant can prevent water from seeping through.

3. Improperly installed or damaged gutters: If the gutters on your roof are not installed properly or are damaged, they may not effectively channel water away from your garage. Instead, water may overflow and find its way into the garage. Regularly inspecting and maintaining your gutters can help prevent this issue.

4. Insufficient grading around the garage: The grading around your garage plays a crucial role in directing water away from the structure. If the ground slopes towards the garage, rainwater can accumulate and seep into the garage. Ensuring proper grading and redirecting water away from the garage can help prevent water leakage.

Preventing Water Leakage

Now that we have identified some common causes of water leakage in the garage, let’s explore some preventive measures:

1. Maintain and repair garage doors: Regularly inspect the weatherstripping on your garage doors and replace it if necessary. Additionally, ensure that the doors are properly aligned and seal tightly when closed.

2. Seal cracks in the garage floor: If you notice any cracks in the garage floor, use a concrete sealant to fill them. This will help prevent water from seeping through the cracks.

3. Check and maintain gutters: Regularly inspect your gutters for any damage or clogs. Clean them out and repair any issues to ensure proper water drainage away from the garage.

4. Improve grading around the garage: If the ground around your garage slopes towards it, consider regrading the area to redirect water away from the structure. Consulting a professional landscaper can help ensure proper grading.


Water leakage into the garage during rainfall can be a frustrating problem, but with proper understanding and preventive measures, it can be effectively addressed. By identifying the causes of water leakage and implementing appropriate solutions such as maintaining garage doors, sealing cracks, checking gutters, and improving grading, homeowners can prevent further damage and maintain a dry and functional garage.


– Family Handyman: www.familyhandyman.com
– This Old House: www.thisoldhouse.com
– The Spruce: www.thespruce.com