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How To Keep Water Out of the Garage

How To Keep Water Out of the Garage

My garage has a very uneven slope. So, naturally, every time it rained in the winter, it was flooded. I ignored it at first and simply swept the water away whenever I could.

But it quickly became a constant struggle. And soon after, I discovered mold on the wall, corrosion, and a very bad smell. This made me look for a permanent solution.

I did some research on the internet and sought advice from our plumber. And discovered a few solutions to the water problem in my garage.

What Happens if the Water in Your Garage Goes Untreated?

Whether it’s from raining or melting snow, water that seeps into a closed room can reek alot of problems. Constant moisture in the garage could potentially damage your house and cost you a fortune.

  • Black mold fungus: It can cause serious health issues. In particular, exposure to mold spores will lead to nausea, vomiting, and effects on the lungs.
  • Moisture damage: Moisture in the garage can rust wood and tools, deteriorating the entire structure. Cement slab blocks can be damaged, increasing your costs while repairing them.
  • Attract harmful pests: Mosquitoes and other pests like gnats get attracted to moisture. They can welcome infection in the family.
  • Slippery floor: Obvious but very dangerous, slippery floors.

How to Keep Water Out of the Garage

Only keeping the garage door shut won’t solve your problem. You have to opt for smart solutions to get through this issue. If the water is running down from the front of the doorway. You can apply the following solutions:

Install Rubber Floor Seals

Install Rubber Floor Seals

Rubber floor seals are tight seals to keep rainwater, melting snow, and critters from the garage doorway. It is made of vinyl polymer that can seal gaps created by uneven garage floors. 

The weatherstrips come with a certain warranty. It must be replaced from time to time.

You can install it manually as it is very easy to do it. Improper installation can lead to seal cracking, leaking, and shifting. 

  1. Remove the old weather stripping with a screwdriver
  2. Unroll the new door seal and let it sit for a few minutes.
  3. Clean the area where you are going to place it.
  4. Lay the seal from one end of the garage to another.
  5. Cut it to a proper length.
  6. Adjust it according to the location by closing it manually.
  7. Mark both sides with a pencil or chalk.
  8. Open the door and move the seal.
  9. Apply glue in the marked area.
  10. Close the door and create pressure so the glue sets. Leave the door closed for a day.

Lodge Trench Drains

Lodge Trench Drains

A driveway that slopes downward are prone to getting rainwater flooded in the garage. When you install a garage floor drain in front of the garage entrance. It collects all the water keeping the floor dry.

You have to dig a trench to adjust the U-shaped aluminum retainer in the driveway ground to fit the slope. Specially made with high density polyethylene plastic, it provides a smooth interior surface which allows maximum water intake. It is made up of detachable plastic grates which can be easily removed and cleaned. It can be installed manually as it doesn’t require any bolts and screws.

It is better to call a professional if you don’t have an idea about the installation steps.

Lower The Soil Level

When the garage is built lower than the soil around. The risk of water flooding in the garage is high. It should be nine inches higher than the ground soil. It is the right natural way to fix it.

The uneven ground can be fixed with proper landscaping and construction. You can call professionals for expert advice.

The Drain Tiles

The Drain Tiles

The perforated garage floor tiles are lightweight tiles made out of polypropylene. You can install these kinds of tiles where your garage is exposed to water very often. It makes you enter the garage with even snow attached to the vehicle.

It has an openwork pattern design which allows for ventilation and water absorption. This tile is designed with an interlock system that you can easily remove and replace. It can also be easily vacuumed.

Brush Snow And Water

When you drive in rainy and winter seasons. You may bring snow and water into your garage. Before positioning, your vehicle into the garage, brush off as much of the water and snow out. 

Brush snow and water

Identifying Cracks And Leaks

To avoid flooding in the future, you have to identify cracks and leaks that may be in the garage or plumbing area. Cracks can be hard to detect. It can be well hidden until the cracks crevices become worst.

Garage Roof Leakage

Garage Roof Leakage

The garage roof gets exposed to heat and other elements for some time. It can cause cracks in the ceiling. Another reason for ceiling leakage is lack of maintenance. Not having proper condensation for the airway to pass can also lead to a garage leak. It can also rust the track panel, leading to difficulties while closing the garage door.

You must check frequently for dust and debris that build up on the roof. You can prevent future leaks by clearing the roof. For a temporary solution, 

  • use silicone sealant to properly seal up the cracks. 
  • Reposition the tiles on the roof.
  • Apply waterproof cement onto the leaking area.
  • Clean the area with a pressure washer.

Concrete Wall Leakage

Concrete Wall Leakage

Concrete walls are naturally porous. In an environment like a garage, it is easy to have holes around the walls. The leakage can also lead to rust in concrete. It is very challenging to find the leak, however. The cracks can be well hidden in corners you never expected. To find the leaks, you can go to the attic with a flashlight and trace the leakage. 

Maintenance of the leaks depends on the damage. 

  • Re-caulking the windows and roof is a good way to avoid it. 
  • Patch the leak with hydraulic cement.
  • Use waterproof products for future leakage.
  • Install weather seal or speed breaker in front of the garage entrance.

Leak On The Floor

Leak on the Floor

It is easy to form cracks on the ground. The garage floor is made of concrete. Concrete is prone to being leaked. Pitting is common when the concrete is not properly sealed. 

The leakage can be from anywhere. The broken window sill or the front entry of the garage can be the reason. Humid weather also forms moisture on the surfaces.

  • Install a dehumidifier to suck moisture from the air
  • Use silicate product to seal the concrete pores.
  • Insulate the roof, door, and window to seal the drafts.
  • Upgrade the grade adjustment system.

Build-Up of Water in Gutter

If you have not installed a proper drainage slope. Then your garage may be pooling with water. The gutters drive water away from the home. A damaged gutter downspout will eventually lead the rainwater to fall into the roof of your home. Sometimes wrongly positioned gutters can be the reason behind it. 

To prevent leakage of water from a gutter, clean the possible blockage like plastics and leaves. It must be cleaned from time to time.

In case of a damaged gutter, it is better to consult a professional and rebuilt the gutter. 

How To Prevent Future Leaks

It is better to take precautions to prevent leaks in the future. It may save you from a lot of expenses and prevent you and your family from health issues.

  • Call a professional for inspection every 5 years.
  • Identify the source of the leak and fix it as soon as possible.
  • If it is a plumbing leakage, inform an expert plumber to propose fixes.
  • Seal the rusted roof with the waterproof products.
  • Install a proper gutter to drain the water.

When To Call Experts

It is possible to install the trench drains and rubber seals manually. If in any case you are not able to do it. You can always give a call to the professionals. Repairing eroded roofs and panels by yourself can do a lot of harm. Without proper expertise maintenance, it will lead to serious injuries.

  • Professionals have the right equipment to repair the leakage.
  • Installing trench drains requires manpower and proper expertise. Seek help from experts in this case.
  • If it is a leakage problem, it can be hard to inspect the cracks and holes. Professionals have quick knowledge to determine the source of the leak.
  • If your garage needs insulation, it is a good idea to hire a professional.
  • Construct the landscaping and the soil level in the garage by calling an expert.
  • Plumbing leakage can also rust your garage. Inform local plumber to keep the plumbing areas intact.

Frequently Asked Questions

How do you dry a flooded garage?

The first thing you need to do to dry a flooded garage is to contain the water. Take the contained water to a drain. Use a squeegee to absorb the remaining water and drain it. If the garage is flooded, you can use a water pump to suck water. Mop the residue lastly. You can use a dehumidifier or a fan to dry the concrete floors.

Can concrete be damaged by water?

The easy answer to this question is yes. Because of the porous nature of concrete, it is easy for it to absorb water. The concrete slabs can deteriorate with excess moisture. Some concrete can crumble when wet. This will result in uneven surfaces.

Can water come up through the concrete garage floor? 

Yes, water can come up through the concrete garage floor. Porous concrete, Plumbing leak, excess groundwater seepage, and a leaking in-floor heating system are some of the common reasons for concrete garage floor leakage. To avoid leaking concrete floors you can seal the concrete with silicate-based sealant and install a sump pump to drain water out of the garage. You can call expert plumbers to fix plumbing or any kind of leakage.

Is it okay to put a wet car in the garage?

It is better not to put a wet car in the garage. It can damage the car as well as the garage. The dripping water from the car can lead to concrete damage and the growth of mold and rust in the garage.

Do you need a dehumidifier in the garage?

It is a good idea to install a dehumidifier in the garage. It helps to suck moisture out of the air. The tools and equipment as well as the concrete slab would not deteriorate with the help of a dehumidifier. You can put a wet car in the garage if there is a dehumidifier available in the garage. It will act as a backup to suck out moisture from the car.

How long does it take for water to damage a foundation?

There is no fixed time for water to damage a foundation. It depends on the concrete type, flow of the water, and weather fluctuation. When a stream of water is concentrated on the same spot for a long time, your property can get damaged within 48 hours. In this time, if you can restore the damage. You can save your house from getting damaged.

Groundwater flow can also gradually sink the foundation. It will take years to notice it. So, it is better to call experts to inspect the foundation from time to time.