Hours vary Schaumburg (773) 444-7153
The Local Handyman LLC
Window Sealing and Draft Repair

Schaumburg Local

Window Sealing and Draft Repair

Stop air leaks, lower energy bills, and get every window sealed right the first time.

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Call (773) 444-7153Request an estimate

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What sealing windows actually fixes

Yes, you can reseal windows without replacing them. Most drafty windows aren't failing because the glass is bad or the frame is rotted. They're leaking because the caulk has dried out, shrunk, or cracked over time. Sealing windows is one of the most cost-effective home repairs you can do, and it's exactly the kind of work The Local Handyman LLC has been handling across the northwest Chicago suburbs since 2016. Call (773) 444-7153 to schedule an inspection.

The right approach depends on where the leak is. Gaps between the frame and the wall take caulk. Moving parts like sashes and the space between the sash and frame take weatherstripping. Some windows need both. We inspect the full perimeter before we touch anything. Silicone caulk is generally the better choice over latex for exterior applications because it stays flexible through freeze-thaw cycles without cracking. Interior applications sometimes call for paintable latex. We use the right product for each location, not one tube for everything. Cost varies based on the number of windows, how many stories, and whether the existing sealant has to be fully stripped first. Every job is different. Contact The Local Handyman LLC for an accurate estimate.

Common Causes

What breaks down around a window over time

01

Cracked or Shrunken Caulk

Caulk contracts in cold weather and eventually pulls away from the frame. A gap you can barely see can still let in a significant airflow. It's one of the first things we check.

02

Worn Weatherstripping

The foam or rubber strip along the sash compresses over years of opening and closing. Once it's flattened, it doesn't seal. You'll feel the draft most at the sides and top of a double-hung window.

03

Failed Glazing Compound

On older single-pane windows, the glazing compound around the glass itself can crack and chip. That's a different repair than caulking the frame, and skipping it leaves the glass loose in the sash.

04

Gaps at the Rough Opening

Sometimes the gap isn't at the window at all. It's behind the trim, between the frame and the structural opening. Fixing the visible bead won't help until you seal what's underneath.

Our Process

How we seal a window from start to finish

We don't just run a bead of caulk and leave. Here's the actual sequence.

  1. 01

    Inspect First

    We check every side of every window you want addressed, including the interior trim, exterior frame, and glazing. You need to know what's actually leaking before you spend money sealing the wrong thing.

  2. 02

    Prep the Surface

    Old caulk gets removed. Surfaces get cleaned and dried. Caulk applied over failed caulk fails fast. This step takes longer than the application, and it's where most DIY jobs fall short.

  3. 03

    Apply and Finish

    We apply the right sealant for each location, tool the bead smooth, and let it cure properly. Weatherstripping gets cut to fit and pressed into place without gaps at the corners.

Silicone or caulk: which one your windows actually need

cracked or shrunken caulk work, professional service in Schaumburg, IL
This question comes up on almost every job. The short answer: silicone for exterior joints, paintable latex or siliconized latex for interior trim where you plan to paint over it. Silicone doesn't shrink, handles temperature swings without cracking, and bonds well to glass, metal, and vinyl. The downside is that you can't paint it. That matters on interior trim. Latex caulk takes paint, dries faster, and cleans up with water. It also moves less, so it's not the right choice for exterior joints that expand and contract with the seasons. We've done this long enough to know which product fails in which application. You shouldn't have to research it. The same thinking applies to weatherstripping material. Foam compresses and breaks down in a couple of seasons. Vinyl lasts longer. Door sweeps, V-strip, and tubular gaskets each have the right application. We'll tell you what's warranted for your specific windows rather than upselling you on parts you don't need. For windows that are truly beyond saving, we can discuss your options, but most older windows that seem like they need replacement just need a proper seal and some trim work attention around the frame.

The Case For Acting

Why this repair is worth doing now

  1. 01

    Moisture Gets In

    Air leaks carry humidity. Over months, that moisture works into the wall framing around the window. What starts as a draft becomes a drywall repair or a rot problem. Sealing it now costs a fraction of fixing it later.

  2. 02

    Heating Bills Stay High

    A single poorly sealed window on the north side of a house can measurably affect your utility bills through a Chicago winter. It's not dramatic, but it's real and it compounds every month you leave it.

  3. 03

    The Opening Gets Larger

    A crack in caulk widens with every freeze-thaw cycle. A gap that was barely noticeable in October is a real problem by February. The repair is simpler and cheaper when we catch it early.

Scope

What the work covers on a typical job

  1. 01

    Full perimeter inspection before any product goes on

  2. 02

    Removal and disposal of old caulk and failed weatherstripping

  3. 03

    Surface cleaning and drying to ensure proper adhesion

  4. 04

    Application of the correct sealant product for each joint type

  5. 05

    Weatherstripping replacement where the sash seal has failed

  6. 06

    Final check on every window addressed before we leave

Window sealing across the northwest suburbs

The Local Handyman LLC has been sealing windows for homeowners across the northwest Chicago suburbs since 2016. We serve all of the following communities and more.

Questions about window sealing

Can you reseal windows without replacing them?
In most cases, yes. If the frame is structurally sound and the glass isn't broken or fogged between panes, resealing is the right call. We strip the old caulk, prep the surface, and apply a fresh bead. It extends the life of the window significantly and costs a fraction of replacement. Replacement only makes sense when the frame itself is rotted or warped beyond repair.
Should I use silicone or caulk to seal windows?
Both are caulk, but the distinction matters. Silicone sealant is best for exterior joints because it stays flexible through temperature swings and doesn't crack when the frame expands and contracts. Paintable latex is better for interior trim where you need to paint over the bead. Using latex outside is a common mistake. It dries brittle, cracks by the second winter, and you're back to square one.
How long does window sealant last before it needs to be redone?
Exterior silicone in good condition lasts 10 to 20 years depending on sun exposure, temperature cycling, and how well the surface was prepped before application. Latex caulk indoors can last 5 to 10 years. The real variable is surface prep. Caulk applied to a dusty, damp, or oily surface fails in one or two seasons regardless of what the tube says on the label.
Is resealing windows worth it for older single-pane windows?
Usually, yes. Sealing the frame and replacing the glazing compound is far cheaper than new windows. Single-pane glass is less efficient than double-pane, but a properly sealed single-pane performs much better than a poorly sealed double-pane. If you're planning to replace windows in the next few years anyway, a proper seal buys you comfort and lower bills in the meantime without the full replacement cost.
What's the difference between caulking a window and weatherstripping it?
Caulk seals static joints where two surfaces meet and don't move, like the frame against exterior siding or interior drywall. Weatherstripping handles the moving parts, the gap between the sash and the frame that opens and closes every time you operate the window. A drafty window often needs both. Caulking without replacing worn weatherstripping fixes half the problem.
Can wet or cold weather affect when windows get sealed?
It can. Silicone caulk applies and cures acceptably down to around 40 degrees, but extremely cold or wet surfaces affect adhesion. We schedule jobs with that in mind, and we won't apply caulk to a surface that's going to compromise the seal. If conditions aren't right on the day of the job, we'll tell you rather than push through and leave you with a seal that fails in six months.

Ready to stop the drafts?

The Local Handyman LLC has been sealing windows and handling home repairs across the northwest Chicago suburbs since 2016. Call to schedule.

Call (773) 444-7153 Request an estimate

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