Your garage door is one of the biggest openings in your home, which means it’s also one of the biggest weak spots in terms of weather protection. You might be surprised at how much heated or cooled air escapes through the smallest gaps.
But temperature loss isn’t the only problem. Open spaces around your garage door can let in rain, dirt, and debris. Worse, those openings can become an easy access point for rodents and insects and turn your garage into an unintentional pest shelter.
Fortunately, sealing and weatherproofing your garage door is easy and affordable. If you’re ready to get started, we’ll walk you through everything you need to know—step by step.
Let’s begin.
Table Of Content
Why Weatherproofing Your Garage Door MattersTypes of Garage Door Weather Seals
How to Install Weatherstripping on a Garage Door
Additional Weatherproofing Tips for Your Garage
Have More Questions?
Why Weatherproofing Your Garage Door Matters
First, let’s go over why adding a weather seal for a garage door should feature high on your home maintenance checklist.
Prevents Water Damage
Rain, snow, and ice can seep into your garage through small gaps under and around the door. Over time, this moisture can cause mold, rust, and structural damage. A good seal keeps water where it belongs—outside.
Improves Energy Efficiency
An unsealed garage door can let cold air seep in during winter and trap heat in summer, forcing your HVAC system to work overtime. Not only does this make your home less comfortable, but it also drives up energy costs. Proper weatherproofing keeps your garage temperature stable and reduces energy waste.
Protects Stored Items
Many people use their garages as extra storage space. However, fluctuating temperatures and moisture can damage tools, cardboard boxes, and sometimes, your car’s finish. Sealing the garage door helps protect whatever you keep inside and minimizes the need for garage door repair in Sparks.
Keeps Pests Out
Mice, rats, insects, and snakes love garages—especially if they can find an easy way in. Gaps around your Reno, NV, garage door make it easy for them to squeeze through. Once they’re in, they can spread dangerous diseases, such as Hantavirus or Leptospirosis. A weather seal for garage doors helps seal these openings and keeps unwanted critters out.
Upgrade Your Garage’s Weather Protection
Types of Garage Door Weather Seals
There are several ways to seal your garage door, depending on where the gaps are. Here are the main options.
Bottom Seal (Threshold Seal)
A bottom seal attaches to the lower edge of your garage door and blocks out water, dirt, and cold air. It’s an especially useful solution if you have an uneven floor where water tends to seep in.
Best for: Garages in areas with heavy rain or snow.
Side and Top Seals (Garage Weatherstrip Trim)
These garage door weather seals run along the sides and top of the garage door to block air leaks and debris. You can use them to stop wind from sneaking through the edges of your door.
Best for: Windy regions or extreme temperatures.
Garage Door Panel Seals
Older garage doors with panel gaps can let air leak in. Panel seals fit between each section of the door and help keep air, moisture, and dust out.
Best for: Garage doors with panel separation.
Insulated Weather Strips
For those using their garage as a workshop, home gym, or storage space, insulated weather strips help regulate temperature and improve energy efficiency.
Best for: Garages that double as work or living spaces.
Weatherproof Your Garage Door Today
How to Install Weatherstripping on a Garage Door
Installing weather stripping is an easy weekend DIY project, as long as you have the right tools and are up for a bit of hands-on work. Just follow these steps to do it right.
Step 1: Gather Materials
Before you start, make sure you have everything you need, including:
- Garage door weather seals
- A measuring tape
- A utility knife
- A screwdriver or drill
- Adhesive or sealant (if required for your specific type of seal)
Having all your materials ready will make the installation go quicker.
Step 2: Remove Old Weather Stripping
If your garage door already has weather stripping, you’ll need to remove the old, worn-out material before installing the new one. Carefully peel or pry off the existing seals. If there’s adhesive residue left behind, clean the area with a damp cloth or mild cleaner.
Step 3: Measure and Cut the New Seal
Use a measuring tape to measure the bottom, sides, and top of your garage door where the new seals will go. Then, cut the new weather stripping to the exact length using a utility knife or scissors. Remember, a precise fit allows for maximum protection against air leaks and moisture.
Step 4: Attach the New Weather Stripping
Now it’s time to install the new seals:
- Bottom Seal: If your garage door has a retainer track, slide the new seal into place. If not, use adhesive to attach it securely.
- Side & Top Seals: Line up the weather stripping along the edges of the door frame. Nail or screw it into place, making sure it’s snug against the door.
- Panel Seals: If your garage door has gaps between panels, press foam or rubber strips between them to prevent air from leaking through.
Step 5: Test the Door Seal
Close your garage door and check for any gaps or light coming through. If you feel air leaks or notice uneven spots, make adjustments as needed.
Additional Weatherproofing Tips for Your Garage
Besides sealing the garage door, there are a few extra steps you can take to keep your garage dry and comfortable.
Insulate the Garage Door
If your garage feels too hot in the summer and too cold in winter, consider adding insulation. A well-insulated garage door helps regulate indoor temperatures and reduces the strain on your home’s HVAC systems. You can use foam board insulation, reflective panels, or an insulation kit designed for garage doors.
Seal Cracks and Gaps in the Floor
Even with a proper door seal, water and cold air can sneak in through small cracks in your garage floor. Use a concrete sealant to fill cracks or install a rubber threshold strip along the base of the door for an extra barrier against water and drafts. You can also call for Reno garage door repair if this is too much for you to handle on your own.
Install a Garage Door Brush Seal
If you live in a windy, dusty, or snowy area, a garage door brush seal is an absolute must-have. These flexible bristles attach to the bottom or sides of the garage door to block out dirt, snow, and small insects.
Protect Your Garage With Weatherproofing
Have More Questions?
That covers our quick, easy guide on how to install weather stripping on a garage door. But if you’re still wondering about the best materials, installation tips, or how to handle unique garage setups, we’re here to help!
At Thompson Garage Doors, we’ve been Reno’s trusted garage door experts for several years. Rain or shine, we’re here to help with everything from weatherproofing and repairs to full garage door replacements. Whether you need professional installation or just some expert advice, our team is always ready to assist.
Give us a call to schedule a consultation!