Mokena Exterior Services: Windows, Glass Block, Siding & Doors

Upgrading the outside of your home does more than boost curb appeal—it protects your investment, cuts energy bills, and makes daily life more comfortable. If you're searching for reliable Mokena exterior services, Legacy Glass Block & Window Co. handles four of the most impactful upgrades under one roof: replacement windows, glass block, siding, and entry and patio doors. As a family-owned company based right here in Mokena with 40+ years of experience, we treat every project like it's our own home.

Here's a closer look at each service and how it improves your home.

Replacement Windows

Old, drafty windows are one of the biggest sources of wasted energy in a home. Modern replacement windows with insulated glass and Low-E coatings reduce heat transfer in summer and hold warmth in during our cold Illinois winters. That means a more comfortable home and lower utility bills year-round.

We install:

• Vinyl replacement windows in custom sizes and shapes

• Energy-efficient double- and triple-pane options

• Egress windows for basement safety and code compliance

• Bay and bow windows for added light and space

According to ENERGY STAR, replacing single-pane windows with certified energy-efficient models can save households hundreds of dollars a year while improving comfort. You can learn more about certified window performance on the ENERGY STAR website (external link → set to open in new tab).

Glass Block Windows

Glass block is where Legacy started—and it's still what we do best. These windows are ideal for basements, bathrooms, garages, and anywhere you want natural light without sacrificing privacy or security. Because glass block is solid and mortared in place, it's far more resistant to break-ins and moisture than a standard basement window.

Popular uses across Mokena homes include privacy windows for bathrooms, secure basement and utility-space windows, vented options for airflow, and decorative bars and dryer-vent inserts. Every installation is done with the same meticulous craftsmanship our customers have counted on for four decades.

Siding Installation

Your siding is your home's first line of defense against wind, rain, and Midwest temperature swings. Worn or damaged siding lets moisture in and drives up energy costs. Fresh siding transforms the look of your home while sealing it tight against the elements.

Legacy provides siding installation, replacement, and repair, along with soffit and fascia work to protect your roofline and eaves. We help you choose durable, low-maintenance materials that stand up to Illinois weather and complement your home's style.

Entry & Patio Doors

The right door adds security, efficiency, and a strong first impression. Whether you need a sturdy entry door, a smooth-operating patio slider, or a specialty fire-rated door for an inspection, our team installs it with precision sealing and finishing so it performs for years.

New doors improve insulation, strengthen home security with solid frames and quality locking hardware, and instantly refresh your home's appearance. It's one of the highest-impact upgrades among our Mokena exterior services.

Why Mokena Homeowners Choose Legacy

When you call Legacy, you're not reaching a national chain or a call center—you're getting a real local team that knows Mokena's neighborhoods and climate. For over 40 years we've built a 5-star reputation across Will and Cook County by showing up, doing it right, and standing behind our work. We don't cut corners, we don't oversell, and we don't disappear after the job is done.

Get a Free Quote on Mokena Exterior Services

Ready to upgrade your windows, glass block, siding, or doors? Explore our full range of exterior services in Mokena (internal link → same tab) and reach out for a no-pressure, no-obligation consultation. Let's protect and improve the home you love.