Licensed Door and Window Technicians, Locally Based

Threshold Repair Windfields, Oshawa

Reach Windows & Doors Oshawa at (289) 210-9250 about Threshold Repair in Windfields, Oshawa and close the gap under the door.

Get Your Quote for Threshold Repair

Describe what you need and Windows & Doors Oshawa will estimate Threshold Repair across Windfields, Oshawa, usually the same day.

Frequent Threshold Repair Faults We Fix Properly

We've traced every draft and leak back to its actual cause. Here are the problems our clients call us about most often.

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Cold Draft Under the Door

A draft near the floor usually means the threshold has shifted or the weatherstripping has compressed and no longer seals tightly. Left unaddressed, heating costs climb and the gap tends to widen over time. We identify the exact failure point and correct it.

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Water Coming In Under the Door

Rain seeping under a door during storms often traces back to the same gap that causes winter drafts. Continued water intrusion can reach the subfloor and cause rot. We reseal or replace the threshold to stop water from getting through.

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Caulk Keeps Failing to Fix the Gap

Caulk applied over a misaligned threshold only masks the symptom without correcting the underlying cause. The gap typically reopens within a season, leaving dried caulk that complicates the real repair. We diagnose and fix the actual misalignment.

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Door Harder to Open or Close Than Before

A threshold that has shifted or swollen can bind against the bottom of the door, making it harder to operate. This often develops gradually alongside a draft or leak. We adjust the threshold to restore smooth operation.

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Soft or Spongy Spot on the Threshold

A soft feel underfoot usually means moisture has already caused rot beneath the surface. This kind of damage often isn't visible from above until it's advanced. We inspect underneath and replace any compromised material.

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Threshold Rattles or Feels Loose

A loose threshold usually means fasteners have worked free or the material underneath has begun to deteriorate. Left alone, the movement accelerates wear on the seal above it. We resecure or replace the threshold as needed.

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Musty Smell Near the Door Frame

A musty odor at the base of a door frame often signals hidden moisture that hasn't surfaced visibly yet. Ignoring it allows mold and further rot to develop. We inspect the area and address the moisture source directly.

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Threshold Repaired Before but Problem Returned

A recurring draft or leak after a previous repair usually means the original fix addressed the wrong component. Continuing to patch the same symptom wastes money over time. We reassess the full sealing system to find the real cause.

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Preparing an Entry Door for Winter or Storm Season

Thresholds tend to reveal problems right as heating season starts or during the first major storm. Waiting until the symptom is obvious usually means a bigger repair. We assess and correct developing issues before the season fully arrives.

Customer Reviews

What People Said Afterwards

Beatrice N.

Finally fixed after two failed caulk jobs

We'd caulked the gap under our front door twice ourselves and it kept coming back. Prime Windows Toronto found the actual misalignment causing it and adjusted the threshold properly. No draft since.

Malik T.

Caught rot we couldn't see

The threshold looked fine from the top but the technician found soft, rotted wood underneath during the inspection. Glad they checked thoroughly instead of just resealing the surface.

Yolanda P.

Good repair, took longer than the estimate

What started as a simple adjustment turned into a bigger job once they found some water damage underneath. Took an extra hour but the final result has held up well through a full winter.

Trevor S.

Honest about it just needing an adjustment

I was ready to pay for a full replacement but Prime Windows Toronto said the threshold itself was fine and just needed to be raised slightly. Saved me money and the draft is completely gone.

Priscilla M.

Explained the whole sealing system clearly

I didn't realize the threshold, sweep, and weatherstripping all worked together until the technician walked me through it. Made total sense why replacing just one part hadn't fixed the draft before.

Colin R.

No more water coming in during storms

Every heavy rain sent water under our back door onto the kitchen floor. Prime Windows Toronto replaced the threshold and resealed everything properly. Hasn't happened once since, even in a big storm last month.

How It Works

From First Call to Finished Job in Four Steps

No drawn-out process and no surprises in the middle of it.

A technician measuring a door frame during an on-site assessment

Tell Us What's Wrong

Call or use the form. Describe what the door or window is doing and we will tell you what usually causes it.

We Look Properly

A technician attends, tests the whole opening, and finds the actual cause rather than the visible symptom.

Agreed Price, Then Work

You get a written figure before anything starts. Once you approve it, we get on with it.

Tested and Guaranteed

We test it in front of you, clear the site, and leave you the written guarantee on the work.

Locally Based and Fully Covered

Built for This Climate, Not a Mild Average

Seals, hardware, and glazing specified for freeze-thaw cycles and driving rain, because that is what they will actually face.

Talk to Us

No Pressure, Just Answers

Ask Windows & Doors Oshawa about a repair, a replacement, or a full installation anywhere in Windfields, Oshawa. Quotes cost nothing and carry no obligation.

Speak to Someone Who Knows

You will be talking to a technician, not a call centre reading from a script.

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