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The Chimney Chase and Chase Cover: Protection for Prefabricated Fireplace Systems

10/18/20253 min read

If your home has a factory-built or metal fireplace, chances are you also have a chimney chase - a framed structure that surrounds and protects the metal flue pipe as it runs up through your home and out the roof.

At the top of that chase sits the chase cover - a metal lid that shields the entire system from rain, snow, and debris. Together, these two components play a critical role in keeping your chimney dry, clean, and structurally sound.

Professional Chase Cover Replacement and Repair

Our professional team specializes in chimney chase inspections, repairs, and custom chase cover installations.
We replace old, rusting covers with durable stainless steel or copper covers, designed with proper slope and drip edges for long-lasting protection.

Our services include:

Removing old or rusted chase covers.

Installing new, precision-fitted stainless steel covers.

Sealing joints and edges for maximum waterproofing.

Inspecting and repairing damage inside the chase.

Every installation is built to withstand harsh weather, prevent leaks, and enhance the appearance of your home.

Protect Your Chimney from the Top Down

Your chimney chase and chase cover are your first line of defense against the elements.
When they’re built and maintained properly, they keep your entire fireplace system dry, safe, and efficient.

Our professional team can inspect, repair, or replace your chase cover with durable, watertight materials - ensuring lasting protection and peace of mind.

and let our experts keep your fireplace system protected from the top down.

What Is a Chimney Chase?

The chimney chase is the exterior enclosure that surrounds the metal chimney pipe of a prefabricated fireplace.
It’s usually built from wood framing, then covered with siding, stucco, or stone veneer to match the look of the home.

While it may resemble a traditional brick chimney, the chase itself isn’t masonry - it’s a protective housing designed to keep the metal flue insulated, stable, and safe from the elements.

What Is a Chase Cover?

The chase cover is a large metal cap that sits on top of the chimney chase, sealing it off from rain, snow, leaves, and animals.
It’s essentially the “roof” of your chimney system - and one of the most important barriers against water intrusion.

Chase covers are typically made of stainless steel, galvanized steel, aluminum, or copper.
A properly fitted cover includes a raised collar around the flue and angled drip edges that direct water away from the chase sides.

Why the Chase and Chase Cover Matter

A well-built and properly installed chimney chase system provides several crucial benefits:

Prevents leaks and water damage inside the chase and fireplace.

Protects the flue pipe from rust and corrosion.

Keeps out animals, leaves, and debris.

Prevents staining on siding or exterior surfaces.

Improves system durability and appearance.

When a chase cover starts to rust or warp, water can leak into the chase and cause significant damage from rotting wood framing to mold, rust, or even structural failure.

Common Chase and Chase Cover Problems

Our professional team often finds the following issues during inspections:

Rusting or corroded metal chase covers (often galvanized steel).

Standing water or poor drainage due to flat or improperly sloped covers.

Loose or missing screws and sealant failures.

Water leaks and staining down the sides of the chase.

Warped or rotted wooden framing from prolonged moisture exposure.

These problems may start small but can quickly lead to expensive repairs if not addressed early.

Protect Your Chimney from the Top Down

Your chimney chase and chase cover are your first line of defense against the elements.
When they’re built and maintained properly, they keep your entire fireplace system dry, safe, and efficient.

Our professional team can inspect, repair, or replace your chase cover with durable, watertight materials - ensuring lasting protection and peace of mind.

and let our experts keep your fireplace system protected from the top down.

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