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Exterior Caulking Services in Ottawa

The small job that prevents the big one — professional caulking that seals out water and air where siding, windows, and trim meet.

Where small gaps turn into big repairs

Most water damage on an exterior doesn't start with a failed shingle or a cracked siding panel — it starts with a hairline gap in the caulking around a window frame or trim joint that nobody noticed. Once that seal fails, water gets behind the material and the damage builds quietly until it isn't quiet anymore.

We inspect the full exterior envelope: window and door perimeters, siding-to-trim joints, corner boards, and any penetrations like vents or hose bibs, and reseal with a caulking product matched to the surface and exposure. It's one of the least expensive services we offer relative to the damage it prevents.

What's included

  • Full exterior inspection for failed or missing caulking
  • Removal of old, cracked, or failed caulking
  • Surface prep for proper adhesion
  • Weather-appropriate sealant matched to the surface
  • Itemized quote before work begins
  • Job-site cleanup

Caulking questions Ottawa homeowners ask us

How often does exterior caulking need to be redone?
Most exterior caulking lasts five to ten years before it cracks, shrinks, or pulls away, depending on sun exposure and the quality of the original application. Ottawa's freeze-thaw cycles tend to accelerate that wear around windows and doors specifically.
What areas of my home actually need caulking?
Anywhere two different materials meet: around window and door frames, where siding meets trim or foundation, at corner joints, and around any exterior penetrations like vents or hose bibs. We inspect the full exterior and point out where the seal has actually failed, not just where it looks worn.
Is caulking really worth doing on its own, or only with a bigger project?
On its own. Failed caulking is one of the most common ways water gets behind siding and trim, and catching it early is far cheaper than the rot repair that follows if it's ignored. We take on caulking-only jobs, not just as an add-on to larger projects.

Get an itemized caulking quote

Tell us about your home and timeline — we'll follow up with straightforward pricing, no pressure.

Request a Free Quote

Also see: Siding · Windows & Doors

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