Garage Door Seals in Provo, UT

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Garage Door Seals, Done Right

Stand in your garage at midday with the door closed and the lights off, and look at the bottom corners. On most Provo homes, you'll see light. That thin line of daylight at each corner is the single most-used mouse entrance we find in Utah County — wider, in the spots that matter, than the quarter-inch gap a mouse needs. The door's rubber bottom seal flattens with age and cold, the side weatherstripping shrinks and pulls away, and the concrete at the corners is rarely perfectly level. Each flaw is small; the combination is a door mice walk through nightly while the house sleeps.

And the garage is worth entering. It holds garbage bins, pet food, bird seed, stored pantry overflow, and quiet corners to nest in — with a house wall full of pipe and wire penetrations on the other side. Sealing the garage door properly is the highest-value single fix in most exclusion jobs we do.

How We Get It Done

We start with the daylight test and a close look at the corners. We check the bottom seal's condition along its full length, the corner gaps with the door fully closed, side and top weatherstripping, and how the door sits against uneven concrete. We also inspect inside the garage for droppings along the door line — the evidence of how heavily the entry is being used.

Then we fit seals that actually close the geometry. Depending on the door and the slab, that means a fresh heavy-duty bottom seal that still has its shape, rodent-resistant brush seals that conform to the gaps standard rubber misses, corner seals where the door meets the frame, and where the concrete is uneven, a floor threshold the door compresses down onto. The goal is boring and absolute: no light line, anywhere, with the door closed.

We check the house-side door too. The pedestrian door from the garage into the home gets its weatherstripping inspected and the gap at its base measured — because a sealed garage door plus an open inner door is only half a fix. If mice are already living in the garage or walls, removal happens so we're sealing an empty garage.

Signs You Need Garage Door Seals

Droppings along the inside of the garage door or in the corners by the tracks. Daylight visible at the corners with the door closed — you can check this yourself in thirty seconds. A bottom seal that's cracked, flattened, or chewed, especially at the ends. Chewed bags of pet food, seed, or stored goods in the garage. Mice seen in the garage that "haven't gotten into the house yet" — assume they're working on it. And any garage where rodent activity returns every fall despite traps: the door is the likely revolving door.

Honest Advice Before You Book

A new bottom seal from the hardware store is a reasonable DIY attempt, and if your concrete is level and the corners close up, it may be enough. Where DIY usually falls short is the corners and uneven slabs — the exact spots mice use — because standard seals are made for weather, not for animals with teeth and patience. Don't pay anyone to "seal the garage" who doesn't do the closed-door daylight check with you; that's how you both know the job is done. One more honest note: a perfectly sealed garage door on a home with open foundation vents and roofline gaps will simply reroute the mice. Ask us how the garage fits into your home's overall proofing plan and we'll show you the whole picture before you spend on any single piece.

Utah winters are hard on garage seals. Cold makes rubber stiff and brittle, which is why a bottom seal that looked fine in July can show daylight by January — right when mice most want in. Freeze-thaw cycles also shift slabs slightly year over year, changing how the door meets the concrete at the corners. If your garage has a history of "mice every winter but never in summer," the seal's cold-weather behavior is a prime suspect, and it's worth checking on a cold morning rather than a warm afternoon. Seal materials rated to stay flexible in the cold are the right replacement choice for Utah County, and it's one of the details we check before recommending a system.

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