How Do You Fix a Drafty Door in Lexington, KY?
How to find and fix a drafty door in Lexington, KY: a flashlight test, weatherstripping and sweep fixes, typical cost, and when to DIY.
Short answerFind where the air gets in, then replace the part that failed. Light under the door means a worn sweep. Light along the sides or top means worn weatherstripping or loose hinges. Fixed gaps between the frame and siding get caulk. A typical weatherstripping or sticking-door fix runs $90–$200 from us.
Key takeaways
- Test at night: lights off, flashlight outside, helper inside. Any light you see is a leak.
- The dollar bill test works too. If the bill slides out easily, the strip no longer compresses.
- Sides and top need weatherstripping. The bottom needs a sweep. They are separate parts.
- Caulk fills fixed gaps up to about 1/4 inch. Weatherstripping is for parts that move.
- Sticking door, hinge, or weatherstripping fix: $90–$200 typical. Door replacement is not a handyman job we price here.
How do you find where a door is leaking?
Two tests from Virginia Cooperative Extension. First, the flashlight test: turn off the lights inside and outside, move a flashlight slowly around the edge of the closed door, and have a helper inside watch for light. Second, the dollar bill test: close the door on a bill. If it slips out easily, the weatherstripping needs repair or replacement.
Do it on a cold, windy night in Lexington and you will feel the leak as well as see it.
| Symptom | Likely cause | Usual fix |
|---|---|---|
| Light under the door | Worn or missing sweep | New door sweep or door shoe |
| Light or air along the latch side | Worn strip or loose hinges | Tighten hinge screws, replace the strip |
| Light across the top | Compressed head strip | Replace the head strip |
| Dollar bill slides out easily | Strip no longer compresses | Replace weatherstripping on that side |
| Gap between frame and siding | Cracked caulk (fixed joint) | Clean out and re-caulk |
Why does a gap that small matter?
This Old House puts numbers on it. A 1/8-inch gap around a typical entry door is the equivalent of a 5 1/2-inch hole through an outside wall. Virginia Cooperative Extension says a pair of 6 ft 8 in doors with no weatherstripping can leave a 1/4-inch opening all along the edge, about 20 square inches. In the Extension's breakdown of leaks in a typical home, doors account for 11 percent.
Central Kentucky winters swing above and below freezing. Door parts that compress, swell and shrink all year wear out first.
What is the difference between weatherstripping and a door sweep?
Weatherstripping seals the sides and top, between the door and the jamb. A sweep seals the bottom, between the door and the threshold. This Old House calls for both on a well-sealed door.
- Sweep or door shoe. Strip of metal with a rubber or plastic edge, screwed to the bottom of the door.
- Kerf-in or barbed strip. Pressed into a groove in the jamb. Cut the strip to length first and do not stretch it, or it shrinks back and leaves gaps.
- Foam tape. Cheapest and quickest, but it wears fastest on a door used every day.
- Silicone tube. Stays soft and keeps its seal as the door swells and shrinks.
- Caulk. For the fixed joint between frame and siding, not for anything that moves.
What does it cost to fix a drafty door in Lexington?
For a sticking door, hinge adjustment, or weatherstripping replacement, our typical range is $90–$200. That covers the common jobs: new strips on the sides and top, a new sweep, tightening loose hinges. This Old House estimates about $100 for materials and labor to seal an average door, and says the work takes 4 to 6 hours if you rout your own grooves. Most of the cost on any door is labor and fit, not the strip.
If the door itself is warped, rotted, or out of square, say so when you text a photo. We will tell you before any work starts whether it is a seal problem or a replacement.
No Shortcuts. No Half Measures. Just solid work done right.
What should you check before you buy weatherstripping?
Check the hinges first. A loose hinge lets the door sag and opens a gap that no strip fixes. Tighten the screws, then measure the gap on both side jambs and the head jamb with the door closed. This Old House says to pick a strip big enough for the largest gap on each run. Clean the surface with soap and water and let it dry before you stick anything to it.
Gaps around electrical outlets and where plumbing or ducts pass through outside walls are separate leaks. Those take caulk or foam gaskets. Electrical and HVAC repairs go to a licensed pro.
How it works
What happens after you text us a photo?
We call this the Photo-to-Flat-Price Method. It is how most of our jobs start, and it means you know the price before any work begins.
- Text a photo. Send a clear photo and one line about the job to (859) 438-2150. Add a second photo from farther back so we can see the whole area.
- Get a flat price. We reply within one business day with one flat price for the job, or an hourly estimate if the job can't be judged from a photo.
- Pick a time. Reply to book, or book online. Bigger jobs get a free on-site estimate first.
- We do it right. Frank does the work himself. If a job turns out different from the photo, such as hidden rot, we stop and talk with you before doing any extra work.
- Pay your way, backed for a year. Pay by cash, card, Venmo, Zelle, PayPal, Cash App or Apple Pay. Labor on every job is guaranteed for one year.
FAQ
Questions people ask next
How do I know if my door needs weatherstripping?
Try the dollar bill test. Close the door on a bill. If it slides out easily, replace the weatherstripping. Light visible around the edge at night is the other sign.
Can I just caulk around a drafty door?
Only the fixed joint between the frame and siding. Caulk works for openings up to about 1/4 inch. The door edge itself moves, so it needs weatherstripping.
How do you stop a draft under the door?
Install a door sweep or door shoe on the bottom of the door. A gasket threshold is another option but wears quickly where people walk.
Do you replace entire doors?
No. We fix sticking doors, hinges, weatherstripping, sweeps and caulk. A new door or frame is a separate job.
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Got a job? Let's get it done right.
Text a photo for a flat price, or request a free estimate. We reply within one business day. Labor on every job is guaranteed for one year.
About this page & sources
Prices are typical Lexington ranges from our own jobs, not quotes. National figures and local rules are linked to the source we checked.
Where do these numbers come from?
Last updated · By Frank Roche Jr., owner · What changed in this update: 2026-11-03: first published, answering the local search “how to fix a drafty door / how to seal a drafty door frame”.
