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CootesParadise Garage Door ProsOpen 24/7 (289) 203-1011
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, Maple Lane

Repairs · Maple Lane

Garage Door Bottom Seal Replacement

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.

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?Maple Lane

The call
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.

NextHow the visit goes

Garage Door Bottom Seal Replacement · Maple Lane

How the visit goes

Dark wall-mounted box with a plug-in adapter and sensor beside a garage door, above a workbench with a drill and screws. — Maple Lane
  1. Scene 1

    Why the old seal failed

    The old strip is read for its history before it comes off. Cracks along the fold and a chalky surface point to sun and age. A flattened bulb that no longer springs back is compression set. A torn edge at one end usually means the seal froze to the floor and the opener pulled it free. Chew marks say rodents. A strip that has slid partly out of its channel points to a bent or opened retainer, or to a seal that was slightly the wrong size. Each of these leads to a different choice of material, profile or retainer work, so the new seal is spared the fate of the old one.

  2. Scene 2

    Adding a threshold seal on a difficult floor

    Where the slab slopes toward the garage or has a dished edge, a threshold seal glued to the floor follows the existing contour and gives the bottom strip a raised, consistent edge to meet, rather than levelling the floor itself. The floor line is marked with the door closed, the concrete is swept and cleaned for the adhesive, and the threshold is dry-fitted and trimmed against each jamb. Adhesive is laid along the underside, the threshold pressed down, and the door lowered onto it while it sets. The result is a small raised lip on the outside that turns water back to the driveway and a bottom seal that lands on a consistent edge along its length.

  3. Scene 3

    The opener stays in step with the seal

    The opener was reset to the new seal height, and it will hold that setting until something changes. If the door begins to reverse just before the floor, stops short and leaves a gap, or lands with a thump, the down limit or force has drifted or the seal has taken a set, and a small adjustment puts it right. The reversing test with a 38 mm (1.5 in) solid object, or a 2x4 laid flat under the door, is worth repeating monthly and after any adjustment, as the industry checklist for homeowners describes. A door that closes gently and reverses on an obstruction is one whose seal and opener are working together.

In the van

  • Track clamps
  • T-style bottom seal
  • Self-drilling retainer screws
  • Threshold seal and adhesive
  • Wire brush and scraper

What shapes the quoteCootes Paradise Garage Door Pros

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.
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.
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.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 203-1011

Things people wonder

How do I look after the new seal?

Wipe it clean of salt and grit a few times a year, and give it a light coat of silicone spray each autumn so meltwater has nothing to bond to. Keep petroleum products and solvents away from it, since they soften vinyl. Clear ice and packed snow from the threshold before running the door in winter. Once a season, look under the closed door for daylight. That is the whole routine.

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.

My garage floor is uneven. What are the options?

Three, and they can be combined. A taller bulb-style seal compresses more and follows a modest dip or crown. A threshold seal fixed to the floor follows the slab's existing contour and gives the door a raised, consistent line to land on where it is dished or sloped. And where the floor has heaved or broken up badly, grinding or patching the concrete is a separate job that makes any seal perform better. The gap map from the first look shows which applies.

Maple Laneinformation

HamiltonOntario

Town
Maple Lane, Hamilton
In business
35 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.

  • 61 in 100 homes · older homes
  • About 61% of homes in Hamilton 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.
  • Single-detached houses make up about 56% of homes in Hamilton (2021 Census).In a neighbourhood with both detached and attached homes, some customers decide alone and others report to a board or property manager. We adapt the visit accordingly, giving a homeowner options at the door and a manager a written summary they can circulate.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

The gap under the door is a finger wide at one end and nothing at the other.

(289) 203-1011, open 24/7.