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ArmourHeights Door SpecialistsOpen 24/7 (289) 536-9773
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, Lawrence Heights

Repairs · Lawrence Heights

Garage Door Bottom Seal Replacement

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.

In plain words

The bottom seal, called an astragal in the trade, is the flexible strip along the underside of the lowest door section that squashes against the floor when the door closes. On most steel doors it is a U-shaped vinyl or rubber profile whose two edges slide into the channels of a retainer fixed to the bottom rail; on wood doors it is often a flat angled strip nailed in place. Replacing it means matching that retainer and profile, fitting a fresh seal the full width of the door, and confirming it meets the floor in one continuous line so light, drafts, water and pests lose their route in.

Sound familiar?Lawrence Heights

The call
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.

NextHow the visit goes

Garage Door Bottom Seal Replacement · Lawrence Heights

How the visit goes

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

    Is the door hanging level?

    A gap that is wider at one corner is often the door rather than the seal. The technician checks that the door sits square in the opening by comparing the bottom edge to the floor at both ends and looking at how each lift cable wraps its drum. A stretched cable, a drum that has crept on its shaft or uneven spring tension drops one corner a centimetre or two, and setting the door level is what closes that wedge. If the door is out of level, the adjustment is explained as its own item and done first, and the seal is then sized to the gap that remains. Getting the order right saves fitting a seal twice.

  2. Scene 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. 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

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

What shapes the quoteArmour Heights Door Specialists

Season and conditions
A seal frozen to the slab, ice at the threshold or working in deep cold adds time for freeing the old strip, clearing the line and keeping the new roll warm enough to feed.
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.
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.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 536-9773

Asked and answered

What information helps when I book?

The width of the door and whether it is a single or double; what is getting in, whether light, drafts, water, snow or pests, and where along the door; whether the gap is even or worse at one end; the door material; and a photo of the end of the bottom section showing the retainer and seal. Mention if the seal has frozen to the floor or if the door has been reversing before it closes.

How long should I allow for the work?

Plan on an hour or two for a straightforward replacement on a standard door, including the inspection and the opener reset. A retainer replacement, a hardened seal that has to come out in pieces, a wood door with a nail-on strip or the addition of a threshold seal each add time. The technician will give you a realistic window once the door has been looked at.

What is a threshold seal, and when is it worth adding?

A threshold seal is a rubber or aluminum-backed strip glued to the garage floor along the line where the door closes. The door's bottom seal lands on it, and its raised outer edge turns water, wind-blown debris and small visitors back toward the driveway. It earns its place where the drive slopes toward the garage, the slab sits below the apron, or the floor edge is too uneven for the bottom seal alone to meet cleanly.

Lawrence Heightsinformation

TorontoOntario

Garage Door Bottom Seal Replacement · Toronto, Armour Heights, Lawrence Manor, Wilson Heights, Winston Park

Town
Lawrence Heights, Toronto
In business
14 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.

  • 58 in 100 homes · older homes
  • About 58% of homes in Toronto were built in 1980 or earlier, according to the 2021 Census.Older garages tend to have lower headroom and narrower single openings, so replacement doors and openers are chosen to fit the space rather than the other way round. Measuring the header, side room and ceiling depth is the first step on every one of these visits.
  • Single-detached houses make up about 23% of homes in Toronto (2021 Census).In attached housing, a resident's remote or fob may open both their own door and a shared gate, and lost devices are a real security concern. We clear old codes from the operator, program replacements, and explain to management how to keep the access list current.

Source: Statistics Canada, Census Profile

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On-site assessment

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.

(289) 536-9773, open 24/7.