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A person kneels beside the black bottom seal of a garage door, with daylight visible beneath the edge. — Garage Door Bottom Seal Replacement, Grey Highlands

Plan ahead Repairs · Grey Highlands

Garage Door Bottom Seal Replacement in Grey Highlands

There are mouse droppings along the wall behind the recycling bins, and at one bottom corner of the door the vinyl has a neat chewed notch the width of a thumb. Something has found its way in for the winter.

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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?

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 · Grey Highlands

How the visit goes

Illustrative garage doors scene — Grey Highlands
  1. 1

    Reading the gap with the door closed

    The assessment starts with the lights off and the door down. From inside, the technician looks along the floor line for daylight and notes where it shows: a thin line the full width, a wedge at one corner, or a patch in the middle. A straightedge laid across the threshold shows whether the slab is flat or dished, and a hand run along the seal feels where it touches and where it hovers. Photographs of the worst spots are taken so you can see what is being fixed. This map of the gap tells the technician how tall the new seal needs to be and whether anything other than the seal is contributing.

  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

    What to look for each season

    Once a season, close the door, turn off the lights and look along the floor. You are checking for a line of daylight, a corner where the seal hovers, an end that has slipped from its channel, and cracks along the fold of the bulb. Run a hand along the strip for stiff or brittle patches. Then watch the door close under power once and notice how it lands. A change in any of these is worth a call while the fix is a seal or an adjustment rather than a torn strip dragged through a winter. The check takes less time than reading this paragraph.

In the van

  • Silicone spray lubricant
  • Self-drilling retainer screws
  • Nail-on vinyl strip for wood doors
  • Straightedge and tape measure
  • T-style bottom seal

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

    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.

  3. 3

    Perimeter seals done together

    Jamb and header weatherstripping renewed in the same visit is quoted per length of stop moulding, and doing it alongside the bottom seal saves a second call-out.

Same fees day, night or weekend.

Have it ready

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(249) 499-8812

Garage Door Bottom Seal Replacement: questions

Advice · (249) 499-8812

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.

What are bottom seals made of, and which suits cold weather?

Most are vinyl, which resists sun and moisture well but stiffens in deep cold. Rubber compounds stay flexible at low temperatures and follow an uneven floor closely, though they can harden after many years of sun. Silicone stays supple in heat and cold and resists cracking, at a higher cost. For a door that faces the weather, a rubber or silicone profile is usually the sounder long-term choice.

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.

Grey, Ontario

Grey Highlands information

Town
Grey Highlands, Grey, Ontario
In business
32 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

56%

Older homes. About 56% of homes in Grey Highlands were built in 1980 or earlier, according to the 2021 Census.

Where houses are older, the garage often sits beside the house rather than beneath a bedroom, so noise is a smaller concern and durability a larger one. Heavy-duty rollers, a properly sized torsion spring and cold-rated lubricant make an old door dependable for years.

93%

Mostly houses. Single-detached houses make up about 93% of homes in Grey Highlands (2021 Census).

A detached house with its own garage is a natural fit for upgrades that need space: a jackshaft opener to free the ceiling, a high-lift door for a car hoist, or a wider door when a bigger vehicle arrives. The technician measures the opening and headroom and says what fits.

Source: Statistics Canada, 2021 Census of Population

Open Grey Highlands in Google Maps

Open 24/7

Request a visit

There are mouse droppings along the wall behind the recycling bins, and at one bottom corner of the door the vinyl has a neat chewed notch the width of a thumb.

Call now · open 24/7(249) 499-8812
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 32 years in business