Copper Multi Flue with Skirt

Protect your entire masonry chimney with a Custom Copper Multi-Flue Chimney Cap with Skirt, handcrafted in the USA from heavy-duty 20 oz. solid copper.

Designed to cover multiple flue openings and the surrounding chimney crown, this outside-mount chimney cap helps prevent rain, snow, animals, leaves, and debris from entering or damaging the chimney system. The integrated skirt overlaps the outside of the chimney, directing water away from vulnerable masonry joints while creating a clean, finished architectural appearance.

Each cap is custom fabricated to the dimensions and options selected for your chimney. Over time, the natural copper surface will develop a distinctive patina, giving every cap a unique appearance that complements brick, stone, historic homes, and premium residential construction.

Copper Multi-Flue Chimney Cap Features

Solid 20 oz. Copper Construction

Each cap is fabricated from heavy-duty 20 oz. copper, providing greater strength and rigidity than many lightweight chimney-cap materials. Copper does not rust and naturally develops a protective patina as it ages.

Crown-Protecting Skirt

The integrated outside-mount skirt overlaps the chimney crown and upper masonry. This helps direct rain and melting snow away from the crown, brickwork, mortar joints, and other areas commonly affected by moisture intrusion.

Protection for Multiple Flues

One custom cap can protect multiple chimney flues under a single enclosure, creating a more unified appearance than installing separate caps on every flue tile.

Wildlife and Debris Protection

The screened enclosure helps keep birds, squirrels, raccoons, leaves, nesting material, and other debris away from the chimney openings while allowing combustion gases to vent.

Custom Screen Heights

Choose from screen heights of 8, 10, 12, 14, or 16 inches to accommodate different flue-tile heights and chimney configurations.

Custom Fabrication

Every copper chimney cap is made according to the dimensions and options submitted with the order. This provides a more precise fit than generic, one-size-fits-all chimney caps.

Made in the USA

Each custom copper multi-flue chimney cap is fabricated in the United States and is typically ready to ship within 7–10 business days.

Why Choose a Copper Chimney Cap?

Copper is selected for both performance and appearance. Unlike galvanized steel, copper will not develop conventional red rust or leave rust stains running down the chimney masonry.

New copper begins with a bright, warm metallic finish. With exposure to weather, the surface gradually darkens and develops a natural patina. This aging process gives the cap character while helping protect the underlying metal.

Copper chimney caps are especially well suited for:

• Historic and architecturally detailed homes
• Brick and natural-stone chimneys
• Luxury residential construction
• Restoration projects
• Homes with copper gutters, flashing, or roofing accents
• Property owners seeking a premium alternative to stainless steel

Why Choose a Chimney Cap with a Skirt?

A standard chimney cap may protect the flue openings while leaving much of the chimney crown exposed.

A skirted chimney cap extends over the outside perimeter of the chimney. The skirt overlaps the crown and upper masonry, helping water move away from vulnerable joints instead of collecting on the chimney top.

This additional coverage may help reduce exposure to:

• Water intrusion
• Cracked chimney crowns
• Freeze-thaw deterioration
• Spalling brick
• Deteriorated mortar joints
• Interior chimney leaks
• Wildlife and nesting debris

How to Measure for a Copper Multi-Flue Chimney Cap

Accurate measurements are essential because every cap is custom fabricated.

Step 1: Measure the Chimney Length and Width

Measure the outside dimensions of the chimney at the location where the skirt will fit.

Do not assume that opposite sides are identical. Measure each side and use the largest overall length and width.

Add approximately 1/8 to 1/4 inch to the final measurements to allow for uneven brickwork, mortar joints, and normal installation tolerance.

Step 2: Measure the Tallest Flue Tile

Measure from the chimney crown or masonry surface to the top of the tallest flue tile or liner.

Step 3: Choose the Screen Height

Select a screen height that provides at least 6 inches of clearance between the tallest flue and the underside of the chimney-cap lid. Proper clearance helps combustion gases exit the chimney without being unnecessarily restricted.

Step 4: Select the Skirt Length

Choose a skirt long enough to cover the edge of the chimney crown and overlap the upper masonry. The appropriate length will depend on the shape and condition of the crown and the location where the cap will be fastened.

Common Applications

This copper multi-flue chimney cap is commonly used for:

• Masonry chimneys with multiple clay flue tiles
• Chimneys with flues of different heights
• Historic-home restoration
• Luxury residential projects
• Brick or stone chimneys
• Replacement of rusted or deteriorated chimney caps
• Chimneys requiring additional crown coverage
• Community, commercial, and multi-unit projects

Your custom chimney cap will be made and ready to ship within 7–10 business days.

Frequently Asked Questions

Does a copper chimney cap turn green?

Copper naturally changes color as it is exposed to air and moisture. It may darken through brown and gray tones before eventually developing a blue-green patina. The timing and final appearance depend on the environment and weather exposure.

Does copper rust?

Copper does not develop conventional red iron rust. Instead, it develops a natural surface patina that helps protect the underlying material.

Is this chimney cap made from solid copper?

Yes. The cap is fabricated from heavy-duty 20 oz. copper.

Will this cap fit more than one chimney flue?

Yes. It is designed to cover multiple flue openings under one custom chimney-cap enclosure.

How much clearance is needed above the flue tiles?

Maintain a minimum of 6 inches between the top of the tallest flue tile or liner and the underside of the cap lid.

How do I choose the correct screen height?

Measure the tallest flue above the chimney crown and select a screen height that preserves at least 6 inches of clearance beneath the lid.

How long does custom fabrication take?

Custom chimney caps are typically fabricated and ready to ship within 7–10 business days.

Can I order multiple caps for a project?

Yes. Discounts are available for orders of five or more multi-flue chimney caps. Contact Fireside Chimney Supply for project pricing.

Is the copper finish sealed?

Natural copper is intended to age and develop a patina. Any available finish or treatment options should be confirmed before placing the order.

Can a homeowner install this cap?

Installation requirements depend on the chimney height, roof access, masonry condition, cap dimensions, and installer experience. Because chimney work involves fall and fire-safety risks, professional installation is recommended whenever the installer is not experienced with rooftop masonry work.