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Person fitting a black strip along the bottom edge of a partly raised garage door, with a cracked strip lying on the floor. — Garage Door Bottom Seal Replacement, Mimico

Plan ahead Repairs · Mimico

Garage Door Bottom Seal Replacement in Mimico

Every mild afternoon the snow melts off the car, runs to the door, and by morning the rubber strip along the bottom is frozen to the concrete. Last week the opener lifted the door and left half the seal on the floor.

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In plain words

In this climate the bottom seal lives a hard life. Meltwater from the car pools at the threshold and freezes the seal to the slab, and the next press of the remote tears it or drags it out of its channel. Road salt stiffens the vinyl and eats the aluminum retainer; deep cold turns a supple strip rigid. Replacement puts a cold-rated profile on a sound retainer, sized to meet the floor without over-compressing, and the technician shows how a wipe of silicone each autumn and a clear threshold keep the new strip from bonding to the ice. The door closes softly onto rubber again, not onto a frozen ridge.

Sound familiar?

The gap under the door is a finger wide at one end and nothing at the other. The door itself looks straight, but the floor drops away toward the corner where the slab has settled, and drafts pour through the wedge.

How the visit goes

Garage Door Bottom Seal Replacement · Mimico

How the visit goes

Technician in safety glasses turning a small tool at a bracket where the curved metal track meets a door panel. — Mimico
  1. 1

    The floor and the threshold

    The concrete under the door is half of the seal. The technician looks at the slope of the driveway toward the opening, the condition of the slab edge where the seal lands, cracks, spalled patches and any step between the slab and the apron. A garage floor that has heaved or settled over the decades is common, and the shape it has taken decides whether a standard seal, a taller bulb profile or a threshold seal glued to the floor gives the most even contact. Where water arrives from outside, the path it takes is noted so the seal and any threshold are placed to meet it.

  2. 2

    Feeding the seal into the retainer

    Both edges of the new seal are started into their channels together at one end of the door. A spray of soapy water or silicone on the edges lets the strip glide, and the technician works it across in stages, pulling gently from the front end and feeding from the other so the seal is never stretched, since a stretched seal shrinks back and leaves a gap later. Once it is across, the bulb is checked to hang evenly with no twists. The ends are trimmed flush with the door and folded up into the channel or capped, so water running along the seal drains out rather than into the section.

  3. 3

    A clear threshold through winter

    The seal closes onto whatever is on the floor, so the threshold deserves a moment when you clear the driveway. Push packed snow and the ridge of ice that forms where the door meets the slab away from the opening before running the door, and sweep salt piles and grit clear of the line so they are not ground into the strip. Park a little further in, if the garage allows, so drips from the car fall on the floor rather than at the seal. These are the same habits that protect the bottom brackets and cables in the corners.

In the van

  • Bead-style bottom seal
  • T-style bottom seal
  • Track clamps
  • Silicone spray lubricant
  • Straightedge and tape measure

What affects the quote

  1. 1

    Threshold seal added

    Where a floor threshold is recommended, its length, its type, whether rubber or aluminum-backed, the adhesive and the floor preparation before it is laid appear as a line of their own.

  2. 2

    Floor and threshold shape

    A dished, sloped or heaved slab may call for a taller bulb profile or a threshold seal on the floor, each of which is quoted as a separate choice you can accept or leave.

  3. 3

    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.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 805-6879

Garage Door Bottom Seal Replacement: questions

Advice · (289) 805-6879

Is the seal on an insulated steel door different?

Sometimes. Many insulated doors have the seal channel moulded into a plastic cap that wraps the bottom rail, which takes a specific profile rather than a generic one. If that cap is cracked or the channel has opened, a screw-on aluminum retainer can be fitted over the rail so a standard T-style or bulb seal can be used from then on. Identifying the retainer at the first look settles which route applies.

How can I tell that the bottom seal needs replacing?

Close the door, turn off the lights and look along the floor from inside. Daylight showing, a strip that feels hard or cracks when pressed, a bulb that has flattened and stays flat, an end hanging out of its channel, chew marks or missing pieces are all signs. So are leaves, snow or a puddle inside the door after weather. Any one of these means the seal has stopped doing its job.

What is the difference between T-style, bead and bulb seals?

The names describe the edge that grips the retainer and the shape of the part that meets the floor. A T-style seal has T-shaped edges that slide into slotted channels along the bottom rail. A bead seal has round edges for the rounder channels found on many older steel doors. A bulb, or U-style, seal is a larger tube that compresses further and suits rough or dished floors. The retainer on your door decides which one fits.

Garage Door Bottom Seal Replacement near you

Toronto, Ontario

Mimico information

Town
Mimico, Toronto, Ontario
In business
15 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

58%

Older homes. About 58% of homes in Toronto were built in 1980 or earlier, according to the 2021 Census.

In a mature neighbourhood the garage door is often the single largest feature of the front elevation, so keeping the original look matters. Modern insulated doors come in raised-panel and carriage styles that echo the older designs while running on today's torsion hardware.

23%

Single-detached houses make up about 23% of homes in Toronto (2021 Census).

Where housing is mostly attached, the common garage entrance may be a rolling grille or heavy sectional door with access by fob or remote, managed by the property. We service these operators, safety edges and photo-eyes, and coordinate with management so residents keep their access throughout.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

Every mild afternoon the snow melts off the car, runs to the door, and by morning the rubber strip along the bottom is frozen to the concrete.

Call now · open 24/7(289) 805-6879
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 15 years in business