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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, Brampton

Plan ahead Repairs · Brampton

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.

Call now · open 24/7(289) 901-4243

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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?

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.

How the visit goes

Garage Door Bottom Seal Replacement · Brampton

How the visit goes

Technician in a dark cap and safety glasses holding a small metal tool against a hinge bracket on the vertical door track.
  1. 1

    Which retainer and which profile

    Next the retainer along the bottom rail is identified. Most steel doors carry an aluminum extrusion with two channels that take the T-shaped or beaded edges of a U-shaped seal; some insulated doors have the channel moulded into a plastic bottom cap; older doors may have a single channel; wood doors often have a strip nailed straight to the rail. The technician measures the channel spacing and the T or bead size, checks the door width, and notes the height of the old strip. A seal chosen from these measurements slides in cleanly and holds, which is the difference between a replacement that lasts and one that works loose.

  2. 2

    Fitting a new retainer where needed

    If the inspection found a retainer that is bent, corroded or spread open, it is replaced before the seal goes in. The old extrusion is unscrewed or its rivets drilled out, the bottom rail is cleaned and any rust treated, and a new aluminum retainer is fixed straight along the rail with fresh self-drilling screws, checked with a straightedge so the channels run true. Fastener heads are sealed against meltwater. On a door whose channel was moulded into a plastic bottom cap, a screw-on retainer is fitted over the rail so a standard seal can be used from now on.

  3. 3

    A door that meets the floor in one line

    The first thing you notice is the absence of daylight. With the door closed and the lights off, the floor line is dark from one jamb to the other, and the draft that used to move across the floor is much reduced. The door lands softly, because the opener now stops when the seal is gently compressed rather than driving the section into the concrete. Leaves, grit and drifting snow are kept out far more often. If you crouch and look, the new bulb sits evenly along the slab, filling the low corner the old strip used to hover above.

In the van

  • Straightedge and tape measure
  • Seal end caps
  • Bulb or U-style bottom seal
  • Self-drilling retainer screws
  • T-style bottom seal

What affects the quote

  1. 1

    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.

  2. 2

    Seal profile and size

    T-style, bead and bulb profiles in different widths and heights sit at different points on the parts list, and the retainer on your door decides which one is used.

  3. 3

    Bottom section repairs

    A rusted, dented or bowed steel bottom rail, or a rotted wood rail, is pointed out and any repair or reinforcement offered as an option beside the seal work.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 901-4243

Garage Door Bottom Seal Replacement: questions

Advice · (289) 901-4243

What does a new bottom seal do about water coming in?

It closes the gap between the door and the slab so rain and meltwater meet a continuous barrier. Where the driveway slopes toward the garage, or the slab edge has dipped, the seal alone is working against gravity, and a threshold seal glued to the floor adds a lip that turns water back toward the drive. The technician looks at where the water comes from and recommends the combination that suits your threshold.

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.

Can the seal be replaced in the middle of winter?

Yes, and winter is when most people notice they need one. Vinyl is stiffer in the cold, so the technician keeps the new roll warm until it is fed and takes a little longer working it across the channels. A seal frozen to the floor is freed by hand first. The door is then closed onto the new strip and the opener reset exactly as in summer, and the garage is sealed for the rest of the season.

Garage Door Bottom Seal Replacement near you

Peel, Ontario

Brampton information

Town
Brampton, Peel, Ontario
In business
12 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

23%

Newer homes. About 23% of homes in Brampton were built in 1980 or earlier, according to the 2021 Census.

Many newer homes have a keypad by the door, several remotes and an app that reports whether the door is open. We keep all of these talking to the opener, clear codes from devices that have gone missing and set up new ones so the whole household is covered.

53%

A mix of homes. Single-detached houses make up about 53% of homes in Brampton (2021 Census).

In areas mixing houses with townhouses and condos, a technician often works on several doors on one street, some owned outright and some looked after by management. Scheduling them together saves everyone time, and we are glad to plan a visit that covers the group.

Source: Statistics Canada, 2021 Census of Population

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

Call now · open 24/7(289) 901-4243
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 12 years in business