Add beauty and protection to your home with a Custom Copper Corner Chimney Cap, handcrafted and professionally installed by Chicagoland Fireplace & Chimney Restoration. Built to endure Chicago’s harsh weather with timeless copper craftsmanship.

Modular Extensions for Stainless Steel Modular Chimney Caps - 3/4 - Premium Chimney Cap for Home Protection
Flexible Expansion for Custom Chimney Configurations
Modern chimney systems often require adaptable components that can be expanded or modified without compromising safety or performance. The 3/4 Modular Extension System delivers that flexibility, allowing for height adjustments, venting improvements, and custom configurations across multi-flue and single-flue chimney caps. Built from durable 304 stainless steel, each extension seamlessly integrates with existing modular caps, providing unmatched stability and protection.
At Chicagoland Fireplace & Chimney Restoration, we fabricate and install modular extensions engineered for structural integrity, optimized draft performance, and precise alignment with your existing stainless system.
Engineered for Seamless Integration
Each 3/4 modular extension is crafted to interlock perfectly with compatible stainless steel chimney cap assemblies. The design provides airtight connections while maintaining balanced airflow and a consistent exterior profile. This ensures each added section performs as a natural extension of the original cap, whether increasing height for better draft or improving clearance for code compliance near nearby rooflines or vents.

Crafted from High-Grade Stainless Steel
The 304 stainless steel construction ensures long-term resistance to rust, warping, and heat damage. Every joint is precision-welded, polished, and reinforced for superior stability. The material’s strength allows it to handle extreme temperature variations and high wind loads, making it a reliable solution for both residential and commercial chimneys in the demanding Chicago climate.

Performance Enhancement and Draft Optimization
Increasing chimney height often improves draft efficiency—especially in homes with taller roofs or surrounding obstructions. The 3/4 modular extension’s smooth inner surface and precision-aligned structure support steady airflow, reducing turbulence and preventing smoke or exhaust buildup. The design also minimizes backdrafts, ensuring safer and cleaner fireplace performance.

Professional Installation and Custom Fabrication
Each modular extension is measured, fabricated, and installed to exact specifications. Our technicians verify diameter, cap alignment, and flue spacing before securing the sections using heat-rated fasteners and high-temperature sealants. Every installation concludes with a final inspection to confirm airflow consistency, leak prevention, and weather resistance for dependable year-round operation.

Request a Free Fireplace, Chimney, or Masonry Estimate
Get expert help from Chicagoland’s trusted chimney and masonry team. Whether you need a certified inspection, professional cleaning, or a complete restoration, our specialists deliver quality service at transparent rates.
- $299 Fireplace Cleaning & Inspection
- $199 Annual Insurance Fireplace & Chimney Inspection
We’ll assess your system, answer your questions, and provide honest recommendations for keeping your home safe and efficient. Fill out the form below, and our team will contact you to schedule your appointment or provide a free quote.

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High Country™ 8000 Wood Fireplace: Elite Scale, Elevated Flame Experience
Get inspired by the High Country™ 8000 wood fireplace—crafted for vast rooms and grand designs. Enjoy oversized fire views, radiant warmth, and superior burn efficiency in one elite unit.

Butterfly Damper
Upgrade your fireplace with a 304 stainless steel drop-in damper from Chicagoland Fireplace & Chimney Restoration. Designed for precision airflow, energy efficiency, and lasting durability.

1/2" Pacific Blue Reflective Fire Glass: Vibrant Coastal Color with Brilliant Shine
Explore 1/2" Pacific Blue Reflective Fire Glass—featuring rich blue tones and mirrored brilliance for gas fireplaces and fire pits with a bold, coastal aesthetic. deal for a bright and eye-catching display.

Tudor Chimney Cover
The Tudor Chimney Cover brings period-accurate design and durable protection to traditional homes. A timeless chimney cap with classic lines and lasting materials.

Stackable Round Single Flue Chimney Caps – Black Powder Coated (3/4): Modern Durability with Flexible Fit
Explore stackable round chimney caps in black powder coated 3/4 mesh. Designed for masonry flues, these caps combine modern looks, spark protection, and weather durability.

Charred Rustic Oak Gas Logs
Create a lifelike wood-burning experience with Charred Rustic Oak Gas Logs from Chicagoland Fireplace & Chimney Restoration. Hand-detailed oak logs, glowing embers, and durable construction for long-term performance.

1/2" Azuria Fire Glass: Crisp Blue Clarity with Modern Coastal Appeal
Discover 1/2" Azuria Fire Glass—subtle, cool-toned fire media with ocean-inspired color and radiant flame contrast. Ideal for gas fireplaces and outdoor fire pits.

Craftsman ZC Glass Doors
Add timeless style and durable performance with Craftsman ZC Glass Doors from Chicagoland Fireplace & Chimney Restoration. Custom-built for zero-clearance fireplaces with lasting strength and precision fit.

1/2" Black Reflective Fire Glass
Add warmth and style to your fireplace with 1/2" bronze reflective fire glass from Chicagoland Fireplace & Chimney Restoration. Durable, heat-treated glass built for long-lasting brilliance and safe indoor or outdoor use.

Arizona Juniper Gas Logs
Discover the rugged beauty of Arizona Juniper Gas Logs. Ideal for creating a rustic, natural look in your fireplace with realistic bark textures and organic shapes.

1/4" Pacific Blue Fire Glass: Vibrant Ocean Tones for a Refreshing Flame Bed
Explore 1/4" Pacific Blue Fire Glass—infused with ocean-inspired color and brilliant light reflection. Perfect for gas fireplaces and outdoor fire pits with a clean, coastal vibe.
Local Chimney Expertise, Maintenance Advice & Restoration Updates
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Hiring Experienced Chimney Technicians & In-House CSR Team Members
Chicagoland Fireplace & Chimney Restoration is hiring certified chimney technicians and in-house CSR roles. Experience considered with path to certification. Apply today.

Fireplace & Chimney Cleaning and Sealing for Chicagoland Homes
Annual chimney cleaning helps reduce creosote buildup, improve draft, and spot blockages before winter use. Professional sealing adds a vapor-permeable barrier that repels rain and snow without trapping moisture in masonry. Chicagoland freeze-thaw cycles can accelerate cracking and spalling when water gets into brick and mortar. Get a free quote from Chicagoland Fireplace & Chimney Restoration Company.

Fireplace Contractors and the Long-Term Care of Chicagoland Fireplaces
Fireplace contractors play a critical role in maintaining safety, performance, and longevity for Chicagoland homes. A thoughtful care plan built around certified inspections, seasonal maintenance, and expert masonry support helps homeowners avoid costly repairs while preserving comfort and value.
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