7 min read
In our 15 years serving New London, we've seen this problem again and again: homeowners don't realize their garage door is leaking conditioned air until the heating bill arrives. A worn bottom seal or deteriorated threshold lets drafts pour in year-round, working your HVAC system harder than it should. The fix is simpler than most people think, and catching it early saves real money.
Connecticut's coastal humidity and salt air take a toll on rubber and foam seals. New London sits right on the water, which means our weather stripping endures constant temperature swings, moisture exposure, and UV stress that breaks down materials faster than inland homes experience.
Most bottom seals last between 5 and 8 years before they crack, harden, or pull away from the door frame. When that happens, you lose the seal between your garage and the outside world. Rain seeps in. Cold air drafts into your home. Pests find easy entry points. If you installed seals more than five years ago, they're probably past their prime.
The rubber compounds used in standard seals degrade when exposed to sunlight, salt spray, and freeze-thaw cycles. New London's position near Long Island Sound means we get extra salt in the air, which accelerates this breakdown. Vinyl and foam materials just don't hold up as long here as they do in inland Connecticut towns like Waterbury.
A gap around your garage door threshold or bottom seal is like leaving a window cracked open all winter. Cold air rushes in, warm air escapes, and your heating system compensates by running longer. Over a heating season, that draft can add 10 to 15 percent to your energy costs, depending on how severe the gap is.
You might notice the draft as a visible breeze near the base of the door, or you might just feel your garage getting colder than it should be. Some homeowners don't realize the problem until they see moisture on the garage floor after rain or find insects inside during fall.
The bottom seal is the primary defense. When it fails, water and air flow freely. The side seals and top seal also matter, but the bottom takes the most abuse because it contacts the ground, collects debris, and bears the weight of water runoff.
**Need weather stripping and seals in New London today?** Call 203-889-9074. we cover same-day service across the area.
A proper weather stripping solution includes four components: the bottom seal (also called the bottom weather stripping), side seals, top seal, and threshold. The threshold is the metal or rubber strip at the base of the door opening. If it's bent, cracked, or missing, no bottom seal will perform well.
Most homeowners focus only on the bottom seal and miss the real issue. We've pulled up thresholds in New London homes and found them corroded, misaligned, or damaged beyond repair. Replacing just the seal without addressing the threshold is like putting a new roof on a house with rotting fascia.
Your cost estimate depends on which components need replacement. A basic bottom seal replacement runs $150 to $300. Adding side seals and a threshold pushes the total to $400 to $600. The good news is that this work takes a couple of hours, and you'll see results immediately.
For details on what signs to watch for, check our guide on how to tell when weather stripping and seals need replacing in New London.
Garage Door Company New London handles weather stripping and seals repairs with same-day appointments whenever possible. We measure your door frame, order the right materials for your specific door model, and install everything in one visit. No waiting around.
If you're concerned about cost, we offer free estimates so you know exactly what you're paying before any work starts. We've also written about smart ways to avoid overpaying for these fixes, which might help you understand pricing better.
Our technicians bring the correct seals and threshold materials to every job. We don't use one-size-fits-all products that fail in a year. The materials we install are rated for coastal Connecticut weather and backed by warranties.
Once you've replaced your weather stripping and seals, keep them working longer by cleaning debris from the threshold every month and inspecting the seals visually twice a year. Remove leaves, dirt, and salt residue that accumulates along the bottom. If you notice cracks starting to form, contact us for our routine garage door maintenance service.
Lubricating the seals with a silicone-based product every six months helps them stay flexible and resistant to cracking. Avoid petroleum-based lubricants, which degrade rubber faster.
Your garage door is one of the biggest openings in your home's envelope. Treating weather stripping as a maintenance priority, not an afterthought, keeps your energy bills down and your home protected from the elements.
Don't let another season go by with drafts and leaks. Schedule a free quote today or call 203-889-9074 to book same-day service. We'll inspect your seals, measure your frame, and give you an honest estimate on the spot.
How long do garage door seals last? Bottom seals and weather stripping typically last 5 to 8 years in New London's coastal climate. Salt air, UV exposure, and freeze-thaw cycles accelerate wear. Inspect them annually after the fifth year.
Can I replace weather stripping myself? Yes, if you have basic tools and your door frame is straight. However, a misaligned frame or incorrect seal choice will waste time and money. Professional installation ensures proper fit and warranty coverage.
What's the difference between a bottom seal and a threshold? The threshold is the metal or rubber strip anchored to the concrete floor at the door opening. The bottom seal attaches to the door itself. Both must be in good condition for effective weatherproofing.
How much does a weather stripping replacement cost in New London? A bottom seal alone runs $150 to $300. Adding side seals and threshold replacement brings the total to $400 to $600. Get a free estimate by calling 203-889-9074.
Will new weather stripping reduce my energy bills? Yes. A worn bottom seal can cost 10 to 15 percent more in heating and cooling annually. Replacing seals often pays for itself within one to two seasons, depending on your current energy usage.