Window Replacement & Exterior Remodeling in Marengo, IL
Wilco Exteriors works with Marengo homeowners to replace worn-out windows and keep the rest of the exterior in good shape. Along with window replacement and installation, we provide residential roofing, siding, gutters, exterior doors, and soffit and fascia. If something on the outside of your home is drafty, leaking, or past its prime, we’ll inspect it for free and give you a written estimate.
Window Replacement in Marengo, IL
Some windows show their age in obvious ways, like a crack in the frame or glass that’s permanently clouded. Others are sneakier. The sash takes more effort every year, the lock never quite catches, and the bedroom stays cool no matter where the thermostat is set.
Wilco provides window replacement for Marengo homeowners using energy-efficient vinyl and fiberglass replacement windows. Our installers measure each opening individually, set every window square so it moves and locks smoothly, and seal the entire perimeter before finishing the trim inside and out.
That attention to fit and sealing is what lets new windows block drafts, operate easily, and make your home more comfortable. See our window replacement page for more on materials and glass.
What We Hear From Homeowners
These are the issues we see most often when homeowners call us about replacement windows:
Drafts Around the Frame Air sneaks in near the sash and frame even with the window closed.
Fog Between the Panes A haze trapped inside the glass points to a failed seal.
Windows That Stick The sash drags, binds, or stops partway when you open it.
Difficult Locks The latch has to be wrestled or no longer pulls the window tight.
Deteriorating Frames Soft wood, cracked vinyl, or peeling paint mean the frame is wearing out.
Windows That Won’t Stay Open Worn balances let the sash slide down on its own.
A properly installed replacement window resolves these problems at once. Because it’s built for the opening and sealed around its edges, drafts stop and the area near the glass feels comfortable again. The sashes glide and lock without effort, energy-efficient glass helps rooms hold a steadier temperature, and clean frames give the exterior a fresh look.
Replacement Window Options for Your Home
Marengo has a mix of older homes and newer construction, and the right window depends on the house and the room. Wilco installs energy-efficient vinyl and fiberglass replacement windows, and we’ll walk you through the choices in plain terms during your estimate.
Double-Hung Replacement Windows
You can open the bottom sash for a breeze, the top to let warm air out, or both. Tilt-in sashes make cleaning upper-floor glass much easier.
Sliding Replacement Windows
Sliders glide side to side with no lifting. They’re well suited to spots over counters, in basements, and in wide openings that aren’t very tall.
Picture Windows
One large fixed pane, ideal when light and view matter most. Pair it with operating windows nearby if the room needs ventilation.
Custom-Fit Replacement Windows
Many existing openings aren’t perfectly square or a standard size. We measure each one and order windows to fit, so they seal well and look finished.
Vinyl or Fiberglass
Vinyl is affordable and needs minimal maintenance. Fiberglass costs more but stays stable through temperature changes. We’ll explain the tradeoffs for your home.
What to Expect During Window Replacement
We keep the process simple and make sure you know what’s happening at each step.
Free Consultation and Estimate
We stop by, ask what’s been bothering you, and look at your windows. There’s no charge for the estimate.
Evaluating Your Existing Windows
We check how each window works and inspect seals, frames, and trim, then explain what needs replacing.
Choosing Your Replacement Windows
We help you pick styles, materials, and glass, measure each opening, and provide a written quote.
Preparing for Installation
Once your windows are ready, we set a date and tell you what to move beforehand.
Replacement Window Installation
Our crew removes each old window, preps the opening, and installs, seals, and trims the new one. If we find hidden damage, we’ll show you first.
Cleanup and Final Walkthrough
We haul away the old windows, clean up, and test every new window with you.
Many window replacement projects are finished in a day or two. Larger homes or jobs with framing repairs can take longer, and we’ll give you a realistic timeline up front.
Residential Roofing in Marengo, IL
Wilco Exteriors also provides residential roofing services for Marengo homeowners, from inspections and repairs to full roof replacement and installation.
Homeowners usually reach out after noticing shingles on the ground, a water spot on the ceiling, or flashing pulling loose around a chimney or vent. Northern Illinois snow, ice, thunderstorms, hail, and freeze-thaw cycles gradually wear on a roof, and much of that wear can’t be judged from the ground.
As your roofing contractor, we’ll start by looking over the whole roof. From there, we’ll recommend maintenance, a targeted repair, or a new asphalt shingle roof based on its actual condition. Many roofing problems don’t require a full replacement, and we’ll be honest about that. Learn more about roof replacement.
More Exterior Services for Marengo Homeowners
Siding Replacement
Cracked, warped, loose, or faded siding lets moisture reach the walls behind it and makes the house look tired. We replace damaged sections and install new siding, finishing the trim so the exterior looks complete.
Gutter Replacement
Leaking, sagging, overflowing, or loose gutters spill roof runoff onto your siding and near your foundation. We install seamless gutters that carry water away from the house.
Soffit/Fascia Replacement
Fascia supports the gutters and seals the roof edge, while vented soffit helps the attic breathe. Loose, damaged, or aging boards should be replaced to keep the roofline protected and finished.
Door Replacement
Drafty, sticking, or damaged doors are a daily hassle. We replace entry and patio doors, measuring carefully so each one fits square, seals tightly, and swings smoothly.
Why Marengo Homeowners Choose Wilco Exteriors
Multiple Exterior Services From One Company Windows, roofing, siding, gutters, doors, and soffit and fascia, all handled by our team.
Recommendations Based on Your Home We inspect first and tell you plainly what needs attention and what can wait.
Clear Communication You’ll know the scope, price, and schedule before work begins.
Careful Installation Our own crew does the work, not subcontractors, with close attention to fit and sealing.
Respect for Your Property We protect your home, clean up thoroughly, and walk through the finished work with you. Wilco is locally owned, licensed, bonded, and insured, with an A+ BBB rating.
Client Testimonials
Reviews from Janesville, WI & Illinois homeowners we’ve helped.
Serving Marengo, Illinois
Wilco Exteriors serves Marengo homeowners with window replacement and installation, residential roofing, siding, gutters, exterior doors, and soffit and fascia. In northern Illinois, a home’s exterior goes from cold, snowy winters to stormy springs and humid summers, and that cycle slowly wears on windows, roofs, and everything in between. When you spot a draft, a leak, or damage, we’ll come out, find the cause, and explain your options clearly.
Frequently Asked Questions
Drafts, fog between the panes, sticking sashes, faulty locks, and soft or cracked frames are the most common signs. When several windows share these problems, replacement is usually the better long-term choice.
Yes. Many homeowners start with the windows causing the most trouble and replace the rest over time. We’ll help you decide where to start.
We remove each old window, prepare the opening, and install, seal, and trim the new one. Then we clean up and test every window with you.
Insulated windows have a sealed space between the panes. Once that seal fails, humid air gets in and leaves a fog you can’t reach to clean. Replacing the window or glass unit fixes it. Moisture on the room side of the glass is different and usually comes from indoor humidity.
After a storm with strong wind or hail, when you notice missing shingles or a leak, or if your roof is getting older and hasn’t been checked recently.
Widespread shingle damage, recurring leaks, a soft roof deck, or materials at the end of their useful life point toward replacement. Isolated damage can usually be repaired.
Cracked, warped, or loose panels, uneven fading, and gaps at seams or corners are worth having checked.
When they leak in several places, sag or pull away from the house, or overflow even when clean.
Ready to Get Started?
If your windows are drafty or hard to use, choose a time on the calendar and we’ll come take a look. We can also check your roof, siding, gutters, or doors during the same visit. It’s free, with no pressure to decide.