Sound familiar?Coldsprings
- The call
- The strip under the door has gone as hard as a hose left out for ten summers. Press it and it does not give; bend it and it cracks. Where the door meets the floor it sits on the concrete without squashing at all.

After a spring rain there is a puddle inside the door that reaches the tires. The driveway slopes toward the garage, the slab has a low corner, and the flattened old seal is not making up the difference.
Not every gap under a garage door is the seal, so the service begins with finding out what the gap is. A strip of light the whole width usually means a seal that has flattened or hardened. A gap at one corner only points to a door hanging out of level or a slab that has settled there. A gap in the middle suggests a bowed bottom section or a crowned floor. Reading these before choosing a seal means the new strip is sized to fill the space that is really there, and any door or floor issue is named and dealt with rather than hidden behind a thicker bulb.
Sound familiar?Coldsprings
Garage Door Bottom Seal Replacement · Coldsprings

Scene 1
The seal can only be as straight as the edge it hangs from, so the bottom section gets a careful look. On a steel door the technician checks the bottom rail for rust where salt water has sat, dents from a bumper or a shovel, and any bow across the width. On a wood door the rail is checked for rot, cupping and the upturned corners of an old door that has dried unevenly. Fasteners for the retainer and the bottom brackets are checked for corrosion. A sound, straight rail lets a standard seal do its job; a damaged one is pointed out so you can decide on repair, a taller seal, or both.
Scene 2
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.
Scene 3
The habit that does the most for a bottom seal in a cold climate is a wipe of silicone spray along the seal face each autumn and again mid-winter. It leaves a film that meltwater struggles to bond to, so the strip lifts off the slab cleanly on a frosty morning. Avoid petroleum-based sprays, which soften vinyl. If the door does freeze to the floor, leave the remote alone: free the seal by hand with gentle warmth from a hair dryer or by working a plastic scraper along the line, then run the door. A minute of patience keeps the new seal whole.
What shapes the quoteOtonabee Garage Door Services
FeesSame any hour
Look at the end of the bottom section for the metal or plastic strip that holds the seal. Count the channels, note whether they are slotted or rounded, and measure the distance between them and the width of the door. A photo of the end of the retainer and one of the seal's cross-section is usually enough for the technician to identify the profile before the visit and bring the right roll.
Usually, yes. A new seal is taller than the flattened one it replaces, so the door reaches the floor sooner. Left alone, the opener either presses too hard and bows the bottom section or senses the resistance and reverses. The technician resets the down limit so the seal compresses gently, checks the force, and runs the reversing test with a 38 mm (1.5 in) solid object or a 2x4 laid flat under the door so the safety features still behave as they should.
A threshold seal is a rubber or aluminum-backed strip glued to the garage floor along the line where the door closes. The door's bottom seal lands on it, and its raised outer edge turns water, wind-blown debris and small visitors back toward the driveway. It earns its place where the drive slopes toward the garage, the slab sits below the apron, or the floor edge is too uneven for the bottom seal alone to meet cleanly.
PeterboroughOntario
Garage Door Bottom Seal Replacement · Peterborough, Cavan Monaghan, Otonabee-South Monaghan, Ashburnham, Byersville, Claraday, Collison Heights, Downers Corners, Greenhill, Jackson Heights, Kawartha Heights, Westmount
Every square is one home in a hundred.
On-site assessment
After a spring rain there is a puddle inside the door that reaches the tires.
(249) 494-2181, open 24/7.
On-site assessment preferred · (249) 494-2181, open 24/7