Repairs · Kawartha Lakes
Garage Door Perimeter Weatherstrip
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
The job follows a steady order. First the door is closed and the gaps are found from inside, by daylight and by feel. Then the door itself is checked for how it sits in the opening, since a seal only works against a door that is square to the frame. The jambs and header are inspected for rot and for how the old strip is fixed. The old material comes off, the surface is cleaned and repaired where needed, the header piece is fitted first and the sides after it, and the door is cycled several times to confirm nothing catches. You are shown the result with the lights off.
How the visit goesDry leaves keep appearing in the same corner inside the garage, and this fall there were mouse droppings along the wall beside the door. When you look, the corner where the top and side strips meet is wide open.
Garage Door Perimeter Weatherstrip
How the visit goes
Measuring for the new pieces
With the door closed, the header is measured across the full width of the opening and each side from header to floor, because openings are rarely the same on both sides. The profile is chosen to match the gap: a wider fin for a door that sits a little back from the stop, a narrower one where the gap is slight, and a one-piece stop where the wood is going. Colour is matched to the trim from a range of standard finishes. The technician also notes whether the existing stop projects far enough to cover the door edge, since a stop set too shallow leaves the fin working alone.
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.
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
Doing the bottom seal at the same time
When the bottom seal on the door is also worn, renewing it during the same visit is offered as a separate line and saves the cost of a second call.
Alignment work on the door
Where the door sits out of square and a track bracket or the door itself needs small correction before the seal can meet it evenly, that adjustment is named separately.
Partial replacement
Replacing one damaged length rather than all three is a smaller job, provided the remaining pieces are still soft and the profile can be matched.
What to have ready
- Where do you see daylight, drafts or snow: sides, top, or corners?
- What colour is the trim around the door?
- Is the wood around the opening soft or rotten near the floor?
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.
