2026-07-21 7 min read
A customer called last Tuesday morning. Her garage was drafty, energy bills were climbing, and she'd noticed a small gap where the bottom seal used to be. She wasn't sure if it was worth fixing or if replacement was her only option. The answer surprised her: proper weather stripping and seals cost far less than she expected, and they make a real difference.
Your garage door's weather stripping and seals do one job, but they do it well. They keep conditioned air inside, block dust and salt spray (crucial here in Del Mar), and stop pests from finding their way through gaps. When these wear out, you feel it in your energy bill and your comfort level. See our guide on commercial garage doors in del mar: heavy-duty solutions for your warehouse.
Weather stripping runs along the edges of your garage door. The bottom seal, or threshold, takes the most abuse because it contacts the ground every time the door closes. Together, they create a barrier against air movement, water intrusion, and drafts that steal heat or cool air.
Del Mar's coastal climate accelerates wear. Salt air corrodes metal components and dries out rubber seals faster than inland areas experience. Most weather stripping lasts 3 to 5 years before it hardens, cracks, or separates from the frame.
You'll notice the problem before it becomes an emergency. A visible gap where the seal used to sit. Cold air flowing under the door on winter evenings. Dust or leaves accumulating inside the garage. These are all signs your seals need attention.
Garage doors use three main seal types. The top seal runs horizontally across the top of the door. Side seals line the vertical edges. The bottom seal, the workhorse, takes the most damage because it meets the concrete floor.
Each type comes in different materials: rubber (most common), foam, or composite blends. Rubber holds up well to UV exposure and temperature swings, which matters in Southern California. Foam is cheaper but degrades faster outdoors.
Replacement cost varies. A single bottom seal might run $150 to $300 installed. A full set of side and top seals could cost $400 to $600. Getting an estimate from a professional near you takes minutes and costs nothing. Garage Door Company Del Mar can assess which seals are actually failing and which ones still have life left, so you don't overpay for work you don't need yet.
**Need weather stripping and seals in Del Mar today?** Call 619-815-4622 for same-day service across the area.
Some homeowners try replacing seals themselves. It's tempting because the parts aren't expensive. But here's where doing it right matters more than saving $50 or $100.
Seals must compress evenly against the frame. If one side sits too loose, drafts return immediately. The bottom seal especially needs proper tension so it creates a true threshold without dragging the door or wearing prematurely. A misaligned seal can also cause the door to bind or operate unevenly, which stresses springs and openers.
We've repaired doors damaged by DIY seal jobs where the customer accidentally overtightened hardware or installed the wrong seal size. Professional installation means the door moves smoothly, seals sit flush, and the work carries a warranty.
If your garage door needs other attention, now's the time to address it. Check our guide on why your garage door needs a professional tune-up to see what else might be due.
A proper seal pays for itself. Energy audits show that 10 to 15 percent of heating and cooling loss in a home with an attached garage comes from a poor door seal. In Del Mar's mild climate, the savings might be $10 to $20 monthly, depending on your usage. That's $120 to $240 per year.
Over the 3 to 5-year lifespan of seals, the payback is clear. You also gain peace of mind knowing pests and salt spray aren't freely entering your garage.
Regular maintenance extends the life of everything behind that door. Proper seals protect your vehicles, tools, and stored items from the elements. They also reduce strain on your garage door opener by eliminating resistance from a dragging bottom seal.
When you're ready to discuss your door's condition, schedule a free estimate today. We offer same-day estimates across Del Mar and the surrounding area.
How long do garage door seals last? Most weather stripping lasts 3 to 5 years in coastal climates like Del Mar. Salt air, UV exposure, and temperature swings accelerate wear. Annual inspection helps catch degradation early.
Can I replace just the bottom seal, or do I need all four? You can replace seals individually. Often only the bottom seal fails first. A professional inspection determines which seals are actually worn and which ones still function. Don't replace what doesn't need it.
What's the difference between a bottom seal and a threshold? Bottom seal is the rubber or foam component attached to the door. A threshold is sometimes a separate track or strip on the ground. The terms are often used interchangeably, but a professional will clarify which component your door uses.
Does weather stripping help with sound insulation? Seals reduce some noise from outside, but they're not designed for soundproofing. They primarily block air, dust, and pests. Insulated doors offer better sound dampening if noise is your main concern.
How much does weather stripping cost in Del Mar? Bottom seal replacement typically costs $150 to $300 installed. Full seal sets run $400 to $600. Exact cost depends on your door type and seal material. Call 619-815-4622 for a no-cost estimate.