Garage Door Weatherstripping in New Hampshire | 911 Garage Door NH
from $89
Garage Door Weatherstripping in New Hampshire
Bottom seal, jamb seal, and top header weatherstripping replacement. Blocks drafts, rodents, and water intrusion — installed and trimmed to your door in under an hour.
More garage door maintenance services in New Hampshire
Garage Door Weatherstripping is one part of our garage door maintenance coverage in New Hampshire. For the full picture — symptoms, costs, and when to repair vs. replace — start with the complete Garage Door Maintenance guide, or browse every garage door maintenance service we offer.
Weatherstripping is the often-overlooked component that determines whether your garage is sealed against drafts, dust, pests, and water. There are four distinct seal locations on a typical door: the bottom astragal seal between door and floor, the side jamb seals between door edges and door frame, the top header seal between door top and frame, and (optionally) a threshold kit on the floor itself. Each wears or fails on its own schedule and contributes to a tight seal.
We replace all four where needed in a single visit. Bottom astragals come in T-style, P-style, and bulb profiles to fit any retainer; we carry all three. Jamb seals are vinyl flap or brush, with the flap style being more common locally. Threshold kits sit on the concrete floor and create a positive seal even when the floor has settled or sloped slightly. Most homes can benefit from at least one of these upgrades.
Typical visit: 45–60 minutes per door. Installation is straightforward — measure, cut to length, fit and secure. The biggest impact is usually the bottom seal, especially on older doors where the original seal has cracked, hardened, or worn through from floor contact.
Signs you need garage door weatherstripping
Visible gap under closed door
A pencil-width gap or larger means the bottom seal is worn, cracked, or compressed. Replacement restores the seal.
Drafts in the garage
Air movement around the door edges with the door closed indicates failed jamb or header seals. Side gaps let cold air, dust, and pests in.
Water under the door during heavy rain points to either bottom-seal failure or a low spot in the floor that a threshold kit can fix.
Pests entering the garage
Rodents, lizards, and insects find any gap. Effective weatherstripping seals them out.
Old or cracked existing seals
Bottom seals harden and crack at 5–8 years. Side and top seals last longer but eventually fail. Visible cracking means replace.
Common causes & what we fix
UV degradation
Vinyl and rubber seals harden and crack under intense sun exposure over years. Replacement with UV-resistant compounds extends life.
Floor wear
Bottom seals contact the floor every close cycle. The seal compresses, deforms, and eventually tears.
Concrete heave or settlement
Floors that have settled or heaved create gaps under the closed door. Threshold kits compensate.
Pest damage
Rodents chew through bottom seals to enter. Once chewed, the seal must be replaced.
Improper original install
Builder-grade installs sometimes skip jamb seals entirely. Adding them is a quick upgrade.
Our process
1
Call or schedule online. Book your garage door weatherstripping in New Hampshire online or by phone and pick a 2-hour window. We confirm in under five minutes with the assigned tech's name and photo.
2
On-site diagnosis. On arrival we diagnose the garage door weatherstripping on-site — free for most repairs, $39 on minor service calls (waived if you proceed). You see the issue and the fix before we start.
3
Flat-rate quote. You get a flat-rate garage door weatherstripping quote in writing, good for 30 days — no hourly creep and no add-ons after the fact.
4
Same-visit fix. Most garage door weatherstripping work finishes the same visit: our trucks carry the common springs, cables, rollers, and opener boards, so a second trip is rare.
How much does garage door weatherstripping cost in New Hampshire?
Garage Door Weatherstripping the United States starts at from $89, every garage door weatherstripping quote is flat-rate and presented in writing before work begins — no surprise add-ons, no hourly creep. Seniors (65+) and military save 10% on labor, and financing covers projects over $1,500 at 0% APR for 12 months, with no prepayment penalty.
Why homeowners in New Hampshire choose us for garage door weatherstripping
We've been a trusted choice since 1974 — over 50 years of family-owned garage door service across New Hampshire. Our techs are CSLB-licensed (#1098234), background-checked, and complete an internal 12-week training program before rolling on calls alone.
Our garage door weatherstripping carries a 10-year workmanship guarantee — separate from any manufacturer warranty on the parts themselves. If the garage door weatherstripping we performed fails because of how we did it, we come back and fix it free for a full decade. Springs rated for 30,000 cycles carry a lifetime warranty for the original homeowner, and parts and accessories carry standard 1–5 year warranties by item.
We quote garage door weatherstripping on honest scope: no unnecessary up-sell, salaried (never commissioned) technicians, and a transparent diagnostic so you see exactly what we see — including the parts still in good shape. If a repair is the right call we say so; if replacement is the better long-term economics, we say that. The flat-rate garage door weatherstripping quote is written and good for 30 days.
Areas we serve for garage door weatherstripping
We provide garage door weatherstripping throughout New Hampshire, with fast coverage in every major New Hampshire metro.
Reach times for garage door weatherstripping vary by traffic and time of day, so we quote an accurate ETA when you call — and the dispatch line routes straight to an on-call technician, no voicemail in between.
Frequently asked about garage door weatherstripping
Top questions homeowners searching for Garage Door Weatherstripping near me ask us:
How much does weatherstripping cost?
Weatherstripping is quoted flat-rate by scope — bottom seal only, bottom plus jamb seals, or the full package, with an optional threshold kit. We confirm the price in writing before installing.
How long do new seals last?
Bottom seals: 5–8 years in intense sun. Jamb and header seals: 10–15 years. Threshold kits: 10+ years. Indoor-conditioned environments last longer.
Do I need a threshold kit?
If your floor has settled, sloped, or shows water intrusion during rain — yes. If the bottom seal alone gives you a tight close — no, the threshold is optional.
Can I do this myself?
Bottom seals are DIY-friendly if you can match the retainer profile and trim accurately. Jamb and header seals are more fiddly but doable. Threshold kits require precise alignment and good adhesive technique.
What's the coverage?
2 years on weatherstripping materials, 5 years on threshold kits, 10-year workmanship on the install.