Welcome to Apex Window Werks, Chicago’s trusted specialist in Marvin window and door repair. With 15+ years of expertise and over 40,000 successful projects, we deliver exceptional craftsmanship that restores beauty, functionality, and energy efficiency to your Marvin products. Our commitment to excellence ensures your windows and doors not only look their best but perform flawlessly for years to come.

Marvin Windows &
Doors Repair

Marvin Windows
Repair in Chicago
Marvin windows combine exquisite design with superior performance, but even the finest windows eventually need expert care. At Apex Window Werks, we specialize in bringing your Marvin windows back to their original splendor with our comprehensive repair services:
- Glass replacement: From foggy insulated units to cracked panes, we provide precision glass replacement using top-quality materials that match your existing Marvin specifications.
- Frame restoration: Our skilled technicians address wood rot, water damage, and structural issues to ensure your Marvin window frames maintain their integrity and beauty.
- Hardware repair and replacement: We expertly service Marvin’s specialized hardware systems, restoring smooth operation to cranks, hinges, locks, and operators.
- Weatherstripping renewal: Enhance energy efficiency with our professional weatherstripping services, eliminating drafts and reducing energy costs.
- Sash and frame repair: We precisely repair damaged wood sashes, frames, and tracks to ensure proper alignment and operation of your Marvin windows.
- Sealant and caulking application: Our high-performance sealants prevent water infiltration and air leakage, extending the life of your Marvin windows while improving home comfort.
Your Marvin windows deserve expert care from Chicago’s premier repair specialists. Experience the difference proper restoration makes.
Types of Marvin
Windows We Repair

Casement Windows
Marvin’s casement windows offer unobstructed views and excellent ventilation, but their operating mechanisms require specialized care. Our technicians are experts in repairing Marvin’s premium hardware, addressing issues with cranks, hinges, and seals to restore effortless operation and weather-tight performance.

Tilt & Turn Windows
Marvin’s innovative tilt and turn windows combine European design with versatile functionality, allowing both inward tilting for ventilation and full inward opening for cleaning. Our window repair specialists address the sophisticated multi-point locking systems and specialized hardware that enable these dual-action windows to function properly.

Double Hung Windows
Preserve the timeless appeal of your Marvin double hung windows with our expert repair services. We specialize in addressing balance systems, sash alignment, and hardware issues to ensure smooth operation while maintaining the classic aesthetic that makes these windows a perennial favorite.

Sliding Windows
Marvin sliding windows deliver panoramic views with space-saving convenience, but track systems and rollers can develop problems over time. Our specialized repair services restore effortless gliding action by reconditioning tracks, replacing rollers, and resealing frames to keep your sliding windows functioning perfectly.

Awning Windows
Marvin awning windows provide ventilation even during light rain, but their outward-opening design places unique demands on hinges and operators. Our repair specialists ensure these critical components work flawlessly, allowing for smooth operation while maintaining weather resistance.

Picture Windows
Maximize your views with Marvin picture windows that provide unobstructed visibility. Although these fixed windows don’t have operational parts, they can develop seal failures leading to fogging or leakage. Our experts specialize in replacing failed glass units while preserving the frame’s integrity and weather resistance.

Custom Windows
From geometric shapes to bay and bow configurations, Marvin’s specialty windows add distinctive character to your home. Our expert technicians understand the unique construction of custom windows and provide specialized repair services that preserve their architectural significance while restoring functionality.
Common Marvin Window Issues
We Repair
Our extensive experience with Marvin products has equipped us to address a wide range of common issues:
- Foggy or cloudy glass: We replace failed sealed units to restore crystal-clear views while maintaining energy efficiency.
- Operational difficulties: When Marvin windows become difficult to open, close, or lock, our technicians identify and resolve the root cause for smooth, reliable function.
- Water infiltration: We locate and repair the source of leaks, replacing damaged weather seals and ensuring proper drainage to protect your home from moisture damage.
- Drafts and energy loss: Our comprehensive weather-sealing services eliminate air leakage, improving comfort and reducing heating and cooling costs.
- Deteriorating frames: We address wood rot and decay in frames and sashes before they compromise the structural integrity of your Marvin windows.
- Hardware failures: From broken cranks to malfunctioning locks, we repair or replace all Marvin hardware components with genuine or compatible parts.
- Balance system problems: For double-hung windows, we restore the proper counterbalance function for effortless operation.
- Sash alignment issues: We correct misaligned sashes that cause drafts, operational problems, and accelerated wear.
Marvin Doors
Repair in Chicago
Your Marvin doors are both an elegant design statement and a functional necessity. Our specialized repair services ensure they continue to perform flawlessly while maintaining their distinctive appeal:
- Hinge adjustment and replacement: We ensure smooth, proper door operation by precisely adjusting or replacing hinges that have become worn or misaligned.
- Weatherstripping renewal: Our professional weatherstripping services eliminate drafts and moisture infiltration around your Marvin doors, improving energy efficiency and comfort.
- Lock and hardware repair: We restore security and peace of mind by repairing or replacing faulty locks, handles, and multi-point locking systems.
- Threshold repair: Our technicians address damaged or worn thresholds to maintain proper sealing and prevent water intrusion.
- Glass panel replacement: We provide expert replacement of cracked or fogged glass panels, matching the original specifications of your Marvin doors.
- Frame restoration: We repair water damage, rot, and structural issues in door frames to ensure long-term stability and proper operation.
- Roller system reconditioning: For sliding doors, we restore smooth, effortless operation by servicing track systems and replacing worn rollers.
- Door realignment: We correct settling issues that cause doors to rub, stick, or fail to seal properly.
Marvin Door Types
We Repair
Our specialized repair services maintain original character while restoring full functionality. Most issues are resolved in a single visit.
Why Choose Apex Window Werks for
Your Marvin Repairs?
15+ Years of Specialized Experience
Our team brings over fifteen years of specialized experience to every Marvin repair project. With more than 40,000 successful repairs completed, we have the expertise to address even the most challenging issues with precision and confidence.
Preservation of Original Character
We understand that your Marvin windows and doors were chosen for their distinctive aesthetic appeal. Our repair approach prioritizes preserving the original design elements and architectural character while restoring full functionality.
Commitment to Affordability
Quality repairs shouldn’t break the bank. We offer competitive pricing while never compromising on craftsmanship or materials. Our repair-first philosophy helps you avoid the substantial cost of full replacements whenever possible.
Genuine Marvin Expertise
Our technicians are thoroughly trained in Marvin’s proprietary designs, mechanisms, and materials. This specialized knowledge allows us to provide repairs that maintain the performance standards that make Marvin products exceptional.
Comprehensive Warranty
We stand behind our work with an industry-leading warranty that gives you peace of mind knowing your repaired Marvin windows and doors will continue to perform beautifully for years to come.
Words from Our
Clients
FAQs About Marvin
Windows & Doors Repair
Can Marvin windows and doors be repaired, or do they need to be replaced?
In most cases, Marvin windows and doors can be successfully repaired, even when dealing with issues like wood rot, operational problems, or failed glass units. As specialists in Marvin products, we can address most issues without requiring full replacement, saving you considerable expense while preserving the original character of your windows and doors.
How long do repairs on Marvin windows and doors typically last?
When properly maintained, our Marvin window and door repairs provide long-lasting performance. Depending on the specific repair and environmental conditions, you can expect many years of renewed functionality. We use high-quality materials and techniques that align with Marvin’s premium standards to ensure durability.
Are your replacement parts identical to Marvin's original components?
Whenever possible, we use genuine Marvin replacement parts to maintain the original performance specifications and warranty coverage. When original parts are no longer available, we source premium-quality compatible components that meet or exceed Marvin’s performance standards.
How can I tell if my Marvin windows need repair or full replacement?
Signs that your Marvin windows may need repair include difficulty opening or closing, visible condensation between glass panes, drafts, water leakage, or deteriorating frames. Our experts can provide a thorough assessment to determine whether repair is viable or if replacement is necessary. In most cases, even seemingly severe issues can be successfully repaired.
Do you offer energy efficiency upgrades for older Marvin windows?
Yes! We can improve the energy efficiency of older Marvin windows with several targeted upgrades, including weatherstripping replacement, modern sealant application, and in some cases, replacing older glass units with newer, more efficient options while retaining the original frames and sashes.

Transform Your Marvin Windows & Doors Today!
Don’t let foggy glass, stubborn hardware, or drafty frames diminish your home’s beauty and comfort! Our Marvin repair specialists are ready to breathe new life into your windows and doors at a fraction of replacement cost.
Stop struggling with your Marvin windows and doors! Call (847) 557-9600 now or click below to schedule your FREE estimate. Restore the view you fell in love with!