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Gloved person holding a black strip along the side of a sectional garage-door opening — Garage Door Perimeter Weatherstrip, Mississauga

Plan ahead Repairs · Mississauga

Garage Door Perimeter Weatherstrip

With the door closed and the garage lights off, a thin bright line runs down the whole left side of the opening. You can see the neighbour's fence through it.

Call now · open 24/7(289) 805-2215

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In plain words

The skill in this job is in the position of the fin. It should touch the door with a small, even deflection, so that it seals when the door is closed and springs clear as the door lifts. Set too far off, it leaves a standing gap; pushed too hard, it drags, folds under and tears within a season. The header piece goes on first, fastened from the centre outward so it stays straight, and the sides are fitted tight beneath it so the fins overlap at the corners. Fasteners are spaced evenly in sound wood, and any joint where water could get behind the stop is caulked.

Sound familiar?

Every time the door closes there is a rubbing squeal along one side, and the flexible fin has folded under itself and torn. Someone painted the trim last summer and painted the seal with it; now it is stiff as a board.

How the visit goes

Garage Door Perimeter Weatherstrip · Mississauga

How the visit goes

Technician in a mesh cap lifting the white cover of a ceiling opener while a red screwdriver points at the wiring inside.
  1. 1

    What kind of seal is there now

    Openings carry different seals depending on their age and who last worked on them. Many older garages have a painted wood stop with a flexible vinyl fin nailed to its face. Newer installations often have a one-piece vinyl stop with the fin moulded in. Some commercial and premium doors use an aluminum retainer with a slide-in rubber insert, or a brush seal. The technician identifies which is present, whether the rigid part is sound enough to keep, and what the fastening was, because that decides whether a new fin goes onto the existing stop or the whole stop is replaced.

  2. 2

    Taking off the old strip cleanly

    The old fin or stop comes off with a flat bar worked behind it a little at a time, so the trim and any brickmould stay intact. Nails are drawn with end-cutting pliers rather than hammered through, staples are lifted, and any old adhesive is scraped back to bare surface. Where the whole wood stop is being replaced with a one-piece vinyl stop, the stop is freed along its length and lifted out, and the paint ridge it leaves is knocked down so the new moulding sits flat. The bare jamb is brushed clean and any loose paint at the edges is removed before anything new goes on.

  3. 3

    Slush, salt and the bottom of the jambs

    The lowest part of each jamb is where the weather does its work, so a little attention there protects the whole seal. Push slush away from the jambs when clearing the driveway rather than piling it against them, and rinse the salt off the bottom of the stop on a mild day. Keep the joint between the jamb and the sill caulked so meltwater runs off the face instead of behind it. If a section of jamb was replaced, keep its paint or PVC surface intact. A dry jamb base holds its fasteners, and fasteners that hold keep the seal tight.

In the van

  • Exterior screws and weatherproof staples
  • Flexible vinyl fin seal
  • Tape measure, level and square
  • Utility knife and mitre saw
  • Flat bar, hammer and nail set

What affects the quote

  1. 1

    Fin on the existing stop or a one-piece vinyl stop

    Nailing a new fin to a sound wood stop uses less material than replacing the stop with a one-piece vinyl moulding, which costs more as a part but needs no paint and does not rot.

  2. 2

    Number of doors

    Two or three doors on the same property share the set-up time and are quoted together, usually at less per opening than a single door on its own.

  3. 3

    Trim, brickmould and caulking

    Re-caulking the joint between stop and trim, or dressing capping that channels water down the jamb, is small work done while the surface is bare and is listed on its own line.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 805-2215

Garage Door Perimeter Weatherstrip: questions

Advice · (289) 805-2215

Does new weatherstrip make the door any quieter when it opens and closes?

A little, though it is not the main reason to do it. A fresh bottom seal cushions the door's contact with the floor, and snug side and top seals stop the panel rattling against loose or worn stops. Most of the noise people notice from a garage door comes from rollers, hinges and the opener chain or belt rather than the seals, so a technician checking the weatherstrip will usually point out those parts too if they are the louder culprit.

What information helps when I book?

The size of the door and whether it is single or double, where you see daylight or feel drafts, whether the existing seal is a strip on a wood stop or a one-piece moulding, the colour of the trim, whether the wood near the floor feels soft, and whether the garage is attached or heated. Photos of the closed door from inside with the lights off, and of each corner from outside, are very useful.

Why is there daylight on one side but not the other?

It can be either. Worn rollers, a track bracket that has shifted or a top section that bows can move the door face toward one jamb and away from the other, and a seal that is damaged, shrunk, the wrong size or set slightly off the door face shows the same way. The technician checks both the door's alignment and the seal itself, corrects what is out of true, then fits the new seal to a door that closes evenly.

Peel, Ontario

Mississauga information

Town
Mississauga, Peel, 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

38%

Homes of every age. About 38% of homes in Mississauga were built in 1980 or earlier, according to the 2021 Census.

Mixed neighbourhoods often include renovated older houses with a new facade and a garage door that no longer suits it. Choosing a door that ties the renovation together, then installing it plumb and balanced in an older opening, is work we do regularly and enjoy.

37%

Single-detached houses make up about 37% of homes in Mississauga (2021 Census).

In denser housing the garage door is frequently the main entrance to the home and sits close to the living space, so a door that closes fully and locks properly matters for security. We check the closing force, the lock and the opener's stored codes on every visit.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

With the door closed and the garage lights off, a thin bright line runs down the whole left side of the opening.

Call now · open 24/7(289) 805-2215
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 32 years in business