

Repairs · Sonya
Garage Door Perimeter Weatherstrip in Sonya
The new door went in last year and looks perfect, but the old wooden stop and its tired seal were left in place.
In plain words
A perimeter seal is only as good as the door it meets, so a technician looks at the door before the seal. If one side shows daylight and the other is tight, the strip may be fine and the door may have drifted: worn rollers, a track bracket that has moved, a top section that bows away from the header. Setting that right first means the new fin can be positioned with the same light contact on every side. Where the door is already square, the seal is fitted straight to it. Either way the result is a door that closes against a continuous line of contact.
How the visit goesAfter a windy night there is a fine ridge of snow on the garage floor along one side of the door, and another across the top step. The door was shut the whole time; the snow came in around it.
Garage Door Perimeter Weatherstrip
How the visit goes


How the door sits in the opening
A perimeter seal can only follow a door that sits where the frame expects it, so the door is checked before any strip is ordered or cut. Each edge is checked for plumb, the gap to both jambs is compared, and the top section is watched as it meets the header to see whether it bows away or leans in. Rollers, hinges and the spacing of the vertical tracks are looked at because any of them can shift the door face toward one jamb and away from the other. Small corrections, such as re-setting a track bracket, are noted so the new seal is fitted to a door that closes square and stays that way.
Fastening that lasts through the seasons
Fasteners are chosen for the weather they will live in: galvanized or stainless trim nails, exterior screws where the stop is heavy or the wood is hard, and weatherproof staples only for a light fin on sound wood. They are spaced evenly so the strip stays straight between them, and a nail set is used so the heads sit flush without crushing the vinyl. In cold weather the lengths are kept warm in the van until the moment they are fitted, because cold vinyl is brittle and splits at the ends. Fasteners near the end of each piece go in a little further back for the same reason.
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
Vinyl stop moulding with integral seal
Silicone spray lubricant
Exterior caulking and gun
Jamb repair lumber or PVC trim
Galvanized or stainless trim nails

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.
Removing the old stop and paint build-up
Lifting a wood stop that has been painted for decades, scraping old adhesive and knocking down paint ridges takes longer than pulling a loose fin, and the time shows in the quote.
Size of the door
A double door has a longer header and the same two sides as a single, so more material and a two-person lift for the top piece; taller openings take longer side lengths.
What to have ready
- Is the seal cracked, torn, loose, or missing in places?
- Is the existing seal a flexible strip on a wood stop, or a one-piece vinyl moulding?
- Has the door recently been replaced or adjusted?
Garage Door Perimeter Weatherstrip: questions
QuestionsCan I paint the new seal to match my trim?
Paint the rigid parts only. A wood stop can be painted before the fin is fitted or with the fin masked, and a vinyl stop needs no paint at all. The flexible fin is left bare, because paint fills it and stiffens it, and a stiff fin cracks well before its time once cold weather sets in. Seals come in a range of colours so the fin can match the trim without a brush.
Should I choose a fin on the wood stop or a one-piece vinyl stop?
If the wood stop is sound, straight and not buried in paint, a new fin nailed to its face is the simpler choice and keeps the look of the trim. If the stop is cracked, soft or has been painted many times, a one-piece vinyl stop replaces it entirely, needs no paint and cannot rot. The technician checks the stop and recommends one or the other on site.
Do you adjust the door as part of the seal work?
Small corrections, yes. If a track bracket needs re-setting or the door needs to come plumb so the fin can meet it evenly, that is done so the new seal is fitted to a door that sits properly. Larger work, such as replacing rollers or a bowed section, is explained and offered as its own job so you can decide on it separately.
