Guardian Door & Gate is your trusted expert for door transformations in St. Louis, MO, specializing in enhancing entry doors with stunning glass designs.
Transform the look of your front door, interior door, bathroom windows, sidelights, or transoms in as little as an hour. With our expert craftsmanship and high-quality materials, you can give your home a fresh, elegant look without the need for a full door replacement.
We provide quick, reliable service with exceptional results, ensuring your doors not only look beautiful but also enhance your home’s security and efficiency.
Book an appointment today to schedule your free estimate!
Save big with Guardian Door & Gate! Enjoy premium repairs and upgrades at just a fraction of the cost of a replacement.
Replacing an entire door can be expensive and time-consuming, but Guardian Door & Gate offers a budget-friendly alternative. By upgrading your existing door with custom glass inserts, new hardware, or a fresh coat of paint, you can achieve the look of a brand-new door without breaking the bank.
Benefits of door transformation over replacement:
Get fast and efficient service without disrupting your day—our skilled team completes most projects in under an hour.
With our expert installation process, you won’t have to deal with lengthy renovations or major disruptions. In just about 60 minutes or less, your entryway will be completely transformed with beautiful glasswork, new paint, or upgraded hardware.
What makes our service fast and reliable?
Enjoy peace of mind with our limited lifetime warranty, ensuring your glass stays durable and protected.
We take pride in offering high-quality glass inserts that are built to last. Our durable and weather-resistant glass is designed to maintain its clarity, strength, and beauty for years. We guarantee superior performance and longevity if you choose frosted, clear, or decorative glass.
Warranty benefits include:
We stand behind our work with a 1-year labor guarantee, ensuring quality craftsmanship for every installation.
Our professional installers ensure that every glass insert, paint job, and hardware replacement is done with precision and care. If you experience any issues due to installation, we will make the necessary adjustments at no extra cost.
Our commitment to quality:

Enhance your home's curb appeal with Guardian Door & Gate expert door glass installation, adding elegance and style to your existing steel, wood, or fiberglass door. Adding decorative glass inserts is a simple and stylish way to modernize your home’s exterior. Whether you prefer frosted privacy glass, intricate stained designs, or clear glass to maximize natural light, our high-quality options enhance curb appeal, boost property value, and improve energy efficiency while creating a brighter, more inviting entryway.

In just about one hour, a professional Guardian Door & Gate installer can install door glass and even apply a fresh coat of paint, leaving no mess or hassle for you. A fresh coat of paint can completely transform your door, giving it a modern, refreshed look while enhancing durability. We use high-quality, weather-resistant paint to protect against sun exposure, moisture, and wear. Choose from classic white, black, and gray tones, rich wood stain finishes, or custom colors to match your home’s exterior.

Enhance your home’s curb appeal and let in more natural light—your new entryway can boost your home’s value by up to six percent. What are you waiting for? Upgrading your door handles, locks, and hinges enhances both aesthetics and security while improving overall functionality. With finishes like brushed nickel, matte black, antique bronze, and polished chrome, you can match your home’s style effortlessly. New hardware adds a polished look, increases durability, and boosts home value with a simple upgrade.
Upgrade your home’s appearance, value, and functionality with Guardian Door & Gate.
We make door transformations simple, fast, and affordable—whether it’s installing glass, painting, or upgrading hardware, our expert team is ready to help.