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BroughdaleGarage Door SpecialistsOpen 24/7 (226) 781-8703
Gloved hands setting a black rubber seal along the base of a white garage door, holding a ribbed strip over paving stones. — Garage Door Bottom Seal Replacement, London

Repairs · London

Garage Door Bottom Seal Replacement

One end of the bottom seal has slipped out of its channel and hangs down like a loose shoelace. Each time the door closes it folds under, each time it opens it flaps, and the gap beside it keeps growing.

In plain words

What you have afterwards is a door that closes onto a single soft line of contact from jamb to jamb. Daylight under the door is much reduced, the draft across the floor eases, wind-blown leaves and snow are kept out more effectively, and the tighter gap makes the route in harder for mice. The opener has been reset so the door lands gently on the new strip instead of pressing it flat. You also leave knowing the seal's profile and size, which makes the next replacement a matter of one phone call, and a couple of simple habits for winter that keep the new seal from freezing to the floor.

Sound familiar?London

The call
With the door closed and the lights off, a bright line of daylight runs along the floor from one side to the other. Leaves and grit have blown in under it and gathered in a neat drift against the back wall.

NextHow the visit goes

Garage Door Bottom Seal Replacement · London

How the visit goes

Hands driving a screw with a yellow cordless impact driver into a perforated steel track beside a white garage door panel.
  1. Scene 1

    The bottom section and its rail

    The seal can only be as straight as the edge it hangs from, so the bottom section gets a careful look. On a steel door the technician checks the bottom rail for rust where salt water has sat, dents from a bumper or a shovel, and any bow across the width. On a wood door the rail is checked for rot, cupping and the upturned corners of an old door that has dried unevenly. Fasteners for the retainer and the bottom brackets are checked for corrosion. A sound, straight rail lets a standard seal do its job; a damaged one is pointed out so you can decide on repair, a taller seal, or both.

  2. Scene 2

    Cutting the new seal to length

    The replacement is cut from a roll to the door width plus a small allowance at each end, using heavy shears or a knife, and the profile is checked against the retainer before any feeding begins. The technician confirms the T or bead edges match the channels and that the bulb height will fill the gap measured earlier without being squashed flat. Where the floor dips at one end, a slightly taller profile is chosen rather than relying on the opener to press harder. Cutting a little long means the ends can be trimmed to the door and finished cleanly once the seal is in.

  3. Scene 3

    Fewer visitors of the four-legged kind

    A continuous seal removes the easy route mice and insects used along the floor. If rodents were part of the reason for the visit, a few habits finish the job: keep birdseed, pet food and grass seed in lidded bins, move firewood and cardboard away from the walls, and check the jamb seals at floor level, where a gap beside the door is as inviting as one under it. Seals with a stainless mesh embedded in the vinyl are available for garages that have had repeated trouble. A sealed bottom edge plus tidy corners keeps the garage a place where nothing wants to nest.

In the van

  • Bulb or U-style bottom seal
  • Self-drilling retainer screws
  • Track clamps
  • Nail-on vinyl strip for wood doors
  • Bead-style bottom seal

What shapes the quoteBroughdale Garage Door Specialists

Access and clearance
Storage, a vehicle that must stay inside, or shelving against the bottom of the door slows the work. A clear metre inside the door makes the visit shorter.
Wood door nail-on strip
A wood door with a nailed strip takes a different product and more fastening time than a channel seal, and adding a retainer to a wood rail is a further option to consider.
Condition of the old seal
A supple strip slides out in a minute. One that has hardened and seized in its channel, or been torn and frozen into the corners, has to come out in pieces, which takes longer.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(226) 781-8703

Homeowners ask

What happens during the visit?

The technician maps the gap with the door closed, checks the door is level and the bottom section straight, and identifies the retainer and profile. The opener is disconnected and the door clamped at working height. The old seal comes out, the channels are cleaned, a new seal is cut and fed in, and any retainer work is done. The door is then closed under power, the opener reset, and the reversing and photo-eye tests run.

How long does a bottom seal last?

Several years is typical, with the range set by exposure. A door facing south or west, a threshold that is wet and salted all winter, and a seal that freezes to the floor a few times a season all shorten the life. A shaded door on a dry slab with a wipe of silicone each autumn can go much longer. The condition of the strip, rather than its age, is what to watch.

How do I know which size and type my door takes?

Look at the end of the bottom section for the metal or plastic strip that holds the seal. Count the channels, note whether they are slotted or rounded, and measure the distance between them and the width of the door. A photo of the end of the retainer and one of the seal's cross-section is usually enough for the technician to identify the profile before the visit and bring the right roll.

Londoninformation

MiddlesexOntario

Town
London, Middlesex
In business
31 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 52 in 100 homes · older homes
  • About 52% of homes in London were built in 1980 or earlier, according to the 2021 Census.Original openers in older neighbourhoods often predate photo-eye sensors and rolling-code remotes. Bringing one up to date means a quieter motor, sensors that stop the door for a child or pet, and remotes that cannot be copied from the driveway, all installed in a single visit.
  • Single-detached houses make up about 49% of homes in London (2021 Census).In mixed neighbourhoods, noise matters differently from one address to the next. A detached house with a bedroom above the garage and a townhouse with a neighbour through the wall both benefit from a belt-drive opener and nylon rollers, and we explain the difference either way.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

One end of the bottom seal has slipped out of its channel and hangs down like a loose shoelace.

(226) 781-8703, open 24/7.