Chicago's Best Security Storm Doors
Discover The Defender Difference – Expert Service & Exceptional Craftsmanship From First Call To Install!
Real Security. Real Protection. Built For Chicago. Measured and Installed by Defender’s Own Expert Team.
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Unshakeable Security
Built with industry-leading 16-gauge steel, Defender doors are up to 60% stronger than standard options—giving your family maximum protection and peace of mind.
All-Weather Protection
Designed for Chicago’s toughest seasons. Premium weatherstripping, tempered glass and screen, and adjustable door sweeps that keep out drafts, rain, and snow year-round.
Trusted Craftsmanship
Over 40 years of Chicago know-how. No middlemen, just Defender’s own crew who get it done right the first time.
What Our Satisfied Clients Say About Us
Claudia L.
I am a returning customer. I have had 3 doors replaced and highly recommend. From the initial meeting, measurements thru installation the process was easy and with high quality.
Theodore S.
Great experience with all team members at every step. Very accommodating, great communication through the whole process. Very affordable for our needs. Thank you!
Jean J.
This was an amazing project from start to finish. I obtained 3 separate quotes, taking into account customer service as well as affordability. Defender was tops in sales, and installation. This is great!
Steve F.
Great products and great people. I have been a customer for over 30 years and have always been 100% satisfied. Bob is awesome and the prices are always great!
Theodora S.
Great experience with all team members. Very accommodating and great communication at every step. Very affordable for our needs. Thank you!
Norine O.
Choosing my doors was overwhelming, so many choices. I ordered an entry door and a security storm door. Then the wait. Finally my doors arrived. They were worth the wait. GORGEOUS
Years of protecting Chicagoland homes with proven security storm door installations.
Five-star reviews. Tens of thousands of successful installations across Chicago and NW Indiana
Years of combined installer expertise guarantees precise and reliable workmanship
Real Security & Protection. Built For Chicago. Every Door Measured And Installed By Our Own Expert Craftsmen.
Chicago’s Best All Season Steel Security Storm Doors
+ more
Hundreds of unique styles,
colors, and hardware to compliment your home, all while boosting security and curb appeal.
85 five-star reviews
and thousands of successful installations across Chicago and the surrounding Chicagoland area.
No Subcontractors, ever
Every door is installed by Defender’s in-house installers for a flawless, worry-free result.
All-Season Comfort
Every door comes with weatherstripping for comfort and year-round energy efficiency.
Some of Our 'Windy City Approved' Installations
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Real Security. Real Protection. Built For Chicago. Every Door Measured And Installed By Our Own Expert Craftsmen
Do you offer installation service?
Yes, we provide professional installation throughout Chicago and the surrounding suburbs to ensure your door is fitted securely and correctly.
How long does installation usually take?
Most installations are completed in a single day, depending on the complexity and any custom work required.
Is there any additional cost for installation?
Installation is included at no additional cost, and every project is completed by our dedicated in-house installation crew. We never outsource to third-party contractors, ensuring consistent quality and accountability.
Are your doors weather-resistant for Chicago’s climate?
Yes. Our doors are designed to withstand extreme cold, snow, and heat, protecting your home year-round.
Do you provide warranties on your doors and installation?
Yes. All of our doors come with a lifetime warranty on the door itself, as well as a 1-year warranty on all parts and labor.
Can you replace my current door without altering the frame?
Yes. Our double strength 16-gauge door frames will be custom made to fit your homes entryway, ensuring a smooth installation of your new Defender door.
Can security doors be customized to match my home’s style?
Absolutely. We offer a variety of colors, finishes, and designs. Improve your homes security while adding to its curb appeal!