Repairs · Clairlea
Garage Door Perimeter Weatherstrip in Clairlea
Every time the door closes there is a rubbing squeal along one side, and the flexible fin has folded under itself and torn.
In plain words
Perimeter seal comes in two common forms, and the visit begins by deciding which suits your opening. The simpler is a flexible vinyl fin nailed to the face of the existing wood stop, which works well where the stop is sound. The other is a one-piece vinyl stop moulding with the fin built in, which replaces the wood stop altogether and suits jambs that are weathered or where the old stop is cracked and paint-heavy. Commercial doors sometimes carry an aluminum retainer with a replaceable rubber insert. Each is cut to your header and sides on site and set against the closed door.
How the visit goesEvery 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.
Garage Door Perimeter Weatherstrip
How the visit goes
A daylight test from inside
The first check needs no tools. The door is closed, the garage lights go off, and the technician stands inside looking along each side and across the header for lines of daylight. A bright, even line means the fin has shrunk back or hardened; a wedge that widens toward the top or bottom points to the door sitting out of square; a gap only at a corner means the pieces were never overlapped. On a windy day a hand or a smoke pencil along the edge finds drafts that daylight misses. The pattern of the gaps is what tells the technician whether the seal alone is the answer or whether the door needs a small adjustment first.
Replacing the wood stop with a one-piece vinyl stop
When the old wood stop is cracked, rotten or buried in paint, it is replaced rather than covered. The one-piece stop, a rigid vinyl moulding with the flexible fin formed along one edge, is cut on a mitre saw to header and side lengths and fitted the same way, header first. It needs no paint, does not rot, and its fin and stop are one part, so the seal cannot peel away from the moulding. Corners are either mitred or the sides butted tight under the header with the fins overlapped. The result looks like fresh trim and works as a seal.
A note of what was fitted
Before leaving, the technician tells you what went on: the seal type, the profile and fin width, the colour, and the lengths of the header and sides. It is worth writing this on a card near the opener or in the door's paperwork. If one length is ever damaged, by a ladder or a car mirror, the same profile can be matched and a single piece replaced rather than the whole set. If a jamb was repaired, the note records where and with what, so anyone painting or working on the frame later knows what is behind the finish.
Garage Door Perimeter Weatherstrip
In the van
Exterior screws and weatherproof staples
Vinyl stop moulding with integral seal
Jamb repair lumber or PVC trim
Exterior caulking and gun
Utility knife and mitre saw
Garage Door Perimeter Weatherstrip
What affects the quote
Colour and profile
Standard colours and fin widths are carried on the truck. A less common colour, an extra-wide fin or a commercial retainer with insert may be a special order, with the difference noted.
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.
Corner detailing
Mitred corners on a one-piece stop, or fitting round an unusual trim profile, take more cutting and fitting than butted corners on a plain jamb.
What to have ready
- Is the seal cracked, torn, loose, or missing in places?
- Has the door recently been replaced or adjusted?
- Have mice, leaves or water been getting in?
Garage Door Perimeter Weatherstrip: questions
QuestionsThe wood around my door is rotten near the floor. Can the seal still go on?
Yes, and the rot is handled first. The soft wood at the base of the jamb is cut back to sound material and a new piece of lumber or PVC trim is spliced in, fixed and primed, so the fasteners for the new stop bite into something solid. This is one of the most common additions to a perimeter seal job here, because slush and salt sit against the jamb base all winter.
Why should the seal only touch the door lightly?
The fin is meant to bend against the door with a small, even deflection. That is enough to seal, and it lets the fin spring clear as the door lifts. Pressed hard, it drags on the door face, folds under on the way down, squeals and wears through well before its time, and it adds load to the opener. Set too far off, it leaves a standing gap. The light touch is the setting that lasts.
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.
