2026-03-26 6 min read
Most homeowners in Burleson don't think about their garage door weather seals until something goes obviously wrong. water pooling on the garage floor after a storm, a draft they can feel when standing near the door, or insects and critters finding their way inside. By that point, the seal has usually been failing for a while. The damage just finally got noticeable.
Given how Burleson's climate works, weather seals deserve more regular attention than they typically get. Precipitation here is notable throughout the entire year, with even the driest months bringing meaningful rainfall. and summers regularly push past 95°F with high humidity before September finally cools things down. Add in the occasional winter cold snaps and the temperature swings that come with North Texas storm systems, and you've got conditions that put real stress on rubber and vinyl seals year-round.
Your garage door has four seals working together: a bottom seal that presses against the floor, side seals (also called door stops) that run vertically along both sides of the frame, a top seal across the header, and optionally a threshold seal that attaches to the floor itself for extra water protection.
These seals block out water, wind-driven dust, outside air, and pests. In Burleson's climate, where single-family homes account for the overwhelming majority of housing and garages are typically attached, a failing seal also affects your home's energy efficiency. cool air leaks out in summer, heated air in winter, and your HVAC works harder to compensate. Proper sealing reduces drafts and helps keep your garage temperature stable, especially during extreme Texas heat or cold spells.
Side seals are especially vulnerable here. Made from rubber or vinyl, they degrade over time from sun exposure and humidity. two things Burleson has in abundance. A south-facing garage door in a neighborhood like Plantation or Mistletoe Hill can have its side seals baked by direct sun for hours every afternoon throughout a long Texas summer. That kind of UV exposure makes rubber brittle faster than most homeowners expect.
You don't need a professional inspection to do a basic check. Here are four practical ways to assess your seals:
The light test: Close your garage door and turn off all interior lights. Stand inside and look at all four edges of the door. If you see daylight coming through anywhere, you have a gap that's letting in weather, pests, and outside air.
The paper test: Slide a piece of paper under the door at several points across the bottom. If it slides easily with no resistance, your bottom seal isn't compressing properly against the floor.
Touch and flex: Run your fingers along the rubber bottom seal and the vinyl side strips. Healthy weatherstripping is soft and pliable. If it's hard, cracked, or crumbling, it's not sealing. it's just sitting there.
After-rain check: After a heavy rain. the kind Burleson gets regularly from spring storms moving up from the south. check the garage floor near the door for moisture intrusion or muddy water lines. Even small amounts indicate the bottom seal or threshold isn't doing its job.
Weatherstripping typically lasts two to three years, but in our climate, doors that face direct sun or get heavy rain exposure may need attention sooner. It's worth checking annually rather than waiting for a visible failure.
These two are often confused, and it's worth understanding the difference before deciding what you need.
The bottom seal attaches to the door itself. it's the rubber or vinyl strip that sits in a metal retainer along the bottom edge of the door and compresses against the floor when the door closes. Most standard garage doors use a T-end or bead-end retainer. Replacing it is one of the more accessible DIY projects on a garage door.
The threshold seal attaches to the floor instead of the door. It creates a raised barrier that the door closes against. It's especially useful when your driveway slopes toward the garage. a common situation in Burleson homes where lots aren't perfectly level. because it adds a physical dam against water intrusion. Since it's durable enough to drive over, a threshold seal uses harder rubber and tends to outlast weatherstripping, though it can make sweeping out the garage slightly less convenient.
For heavy water exposure, using both together gives the best protection. For most standard Burleson homes, a quality bottom seal alone handles the job if it's in good condition and the floor is reasonably level.
Not all weatherstripping materials are equal in a Texas climate. Here's what actually holds up:
- EPDM rubber handles UV exposure, ozone, and temperature swings better than standard rubber. it stays flexible across a wide temperature range, which matters when temperatures swing from 35°F overnight to 75°F by afternoon in the same week - Premium vinyl works well in moisture-heavy environments and is a common choice for side and top seals - PVC is suitable for top and side seals, especially when paired with brush inserts for additional protection
Avoid cheap foam weatherstripping for garage doors. It compresses permanently after a few months, stops sealing, and absorbs moisture. in Burleson's humidity, that can accelerate mold in the garage interior.
A failing weather seal isn't just an inconvenience. Sealing out moisture and debris helps protect your garage from potential water damage, mold growth, and rust. In attached-garage homes. the dominant style across Burleson and into nearby Crowley and Kennedale. moisture intrusion can eventually affect the wall framing shared with the house.
Pest entry is another real concern. Rats, mice, and insects can squeeze through surprisingly small gaps in a failed bottom seal. Side seal failures are particularly common entry points because the damage is less obvious and less frequently checked.
Energy costs are the other factor. An improperly sealed garage door allows conditioned air to escape, forcing your AC to run longer during Burleson's brutal August heat. when the average heat index routinely exceeds 110°F. That's a real monthly cost, not just a comfort issue.
For context on the full picture of keeping your door running through Texas summers, take a look at our post on preparing your garage door for hot weather. seals are just one piece of that puzzle.
Bottom seal replacement is one of the few garage door tasks most homeowners can handle themselves if they're comfortable with basic tools. The retainer channel on standard doors is designed for the seal to slide in and out. However, if the retainer itself is bent or corroded. common on older doors that have been here through multiple hail storms. you'll want a professional to handle it, since a damaged retainer won't hold a new seal properly regardless of how good the seal is.
Side and top seal replacement is more involved, particularly on taller doors or in tight spaces. If you're not sure what you're looking at or if the door frame has shifted, it's worth having someone from Burleson Garage Doors assess the full system rather than patching one seal while others continue failing.
Check our FAQ page for answers to common weatherstripping questions, or reach out directly if you want a technician to walk through the door with you.
A general rule is to inspect seals annually and expect to replace the bottom seal every 2,4 years depending on sun exposure and how much rain the door sees. South-facing doors in direct afternoon sun may need more frequent replacement due to UV degradation of rubber and vinyl.
Yes, noticeably. A properly sealed garage door keeps conditioned air from escaping, which matters most during Burleson's peak summer months when heat index values regularly exceed 110°F. An unsealed garage acts like a direct vent to the outside, forcing your HVAC to work harder.
Newer homes in developments like Chisholm Summit or other recent Burleson subdivisions typically have standard sectional doors with T-end or bead retainers that accept common replacement seals easily. Older homes, especially those with wood doors or non-standard frame configurations, may require custom sizing or retainer replacement. When in doubt, measure the retainer width before buying a replacement seal.