Modular Extensions 3/4 Stainless Steel
Expand and customize your stainless steel chimney cap system with CA 5/8 Modular Extensions from Chicagoland Fireplace & Chimney Restoration. Built for precision fit, stability, and long-term performance.

The Stackable Round Single Flue Chimney Cap – Black Powder Coated – 3/4 offers a smart, modern upgrade to traditional chimney protection. Designed specifically for masonry chimneys, this cap features a clean round profile, durable 3/4" mesh for spark containment, and a powder-coated black finish that pairs seamlessly with today’s architecture and roofing designs.
Thanks to its stackable design, it’s ideal for installations with multiple flues in close proximity—offering a compact and visually consistent solution for large chimney crowns or multi-vent systems.
This cap features 3/4-inch mesh, making it an excellent solution for preventing sparks, embers, and debris from escaping the chimney. It also helps block animals, leaves, and other obstructions that can impact flue performance.
The welded mesh is built to last and can be easily inspected or cleaned during annual service.
With its stackable, low-profile frame, this cap is optimized for installations where flues are closely spaced or height limitations apply. Whether you’re topping a dual-flue setup or completing a custom masonry project, this cap provides flexibility without compromising coverage.
It’s an excellent choice for urban homes, large estates, and contractor-built systems where symmetry and function both matter.
Finished in a matte black powder coating, this cap resists corrosion, UV damage, and chipping over time. The color blends well with dark roofing materials, gutters, and flashing, offering a polished, understated finish at the top of your chimney.
This makes it a practical and attractive choice for homeowners who want both durability and design alignment.
The Stackable Round Single Flue Chimney Cap – Black Powder Coated – 3/4 strikes the perfect balance between code-compliant protection, weather durability, and architectural simplicity. Whether you're retrofitting an older chimney or completing a new construction project, this cap gives you reliable performance and sleek curb appeal in one efficient package.
Protect your masonry chimney with confidence—using a design that’s as smart as it is strong.


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.
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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Expand and customize your stainless steel chimney cap system with CA 5/8 Modular Extensions from Chicagoland Fireplace & Chimney Restoration. Built for precision fit, stability, and long-term performance.

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