Know What You’re Looking At

An illustrated guide to common chimney components and visible warning signs. Photos are educational stock images, not claimed projects or diagnostic findings.

Call (754) 328-2421 Get a Free Estimate

Family-OwnedProudly American-OwnedFree Estimates

Get a Free Estimate

10% OFFFirst service

Part by Part

Six chimney and fireplace components to recognize.

Photos are illustrative. This is a field guide, not a portfolio. What matters is learning the parts and conditions that may justify questions about your chimney.

Illustrative

The Cap & Flue Top

A component installed above a flue opening that may help limit rain, debris, or animal entry when compatible with the system.

What to check: From the ground, note whether a cap appears present, shifted, damaged, or associated with rust staining. Do not infer fit or condition from a photo alone.

Cap installation

Illustrative

The Crown

The top surface on many masonry chimneys, generally intended to direct water away from the chimney top.

What to check: From a safe location, visible cracks, vegetation, or missing edges can justify an assessment, but they do not identify a leak source by themselves.

Crown repair

Illustrative

Flashing at the Roofline

Part of the roof-to-chimney water-management assembly. Materials and details vary with the roof and chimney.

What to check: Lifted or separated material, visible gaps, prior sealant, or nearby interior staining can justify an assessment; the stain location does not prove the source.

Flashing repair

Illustrative

Mortar Joints & Brick

Mortar joints connect masonry units. Existing materials, exposure, movement, and prior repairs can affect their condition.

What to check: Recessed or crumbling joints, white chalky staining (efflorescence), or brick faces flaking off (spalling).

Masonry & tuckpointing

Illustrative

Inside the Flue

The liner forms the intended flue path. Material and configuration vary by the existing system.

What to check: This is not a ground-level check. Do not climb onto a roof or attempt to look down a flue yourself; request appropriate professional help.

Inspection

Illustrative

The Firebox & Hearth

The fireplace area can include the firebox, damper, hearth, doors, panels, or other appliance-specific components.

What to check: Visible cracking, loose material, a damper that will not operate as required, rust, or water staining can justify stopping use and requesting an assessment.

Fireplace repair

Go deeper

Many warning signs on this page link to additional plain-language guides and glossary definitions.

Browse 65+ Guides Open the Glossary Use the Inspection Checklist

Questions

About this guide.

Are these photos of your own jobs?

No. They are illustrative stock photos used to identify common components and are not presented as completed customer jobs.

How do I check my own chimney using this guide?

From a safe ground-level location, document visible changes such as a shifted cap, staining, cracking, or an interior water mark. Do not climb onto the roof. A homeowner check cannot establish concealed or full-flue condition.

What if I see one of the failure signs?

Call (754) 328-2421 or send the estimate form to request a free technician estimate visit. A visible sign alone cannot establish the cause or required work.

Where can I learn more about each part?

Use the glossary for plain-language component definitions and the guides library for educational articles about leaks, spalling, efflorescence, draft concerns, animal intrusion, and other topics. These resources do not diagnose a property.

Spotted one of the warning signs on your chimney?

Request a free technician estimate visit.

Call (754) 328-2421 Get a Free Estimate