What Parts of a Chimney are Checked During Servicing?

When it comes to chimneys and fireplaces, safety is our number one priority. We know that keeping your home cozy and warm during the chilly months is important, but it's also crucial to ensure that your chimney is in top shape. That's why we want to take the time to explain what parts of a chimney are checked during servicing.

Whether it’s cleaning, repairing, or servicing your chimney, we will break down each part of the chimney, what we look for, and why it’s essential. So let's jump in!

1. Chimney Cap

The chimney cap sits at the very top of your chimney and serves multiple purposes. It prevents rain, debris, animals, and downdrafts from entering your chimney.

What We Check

  • Cracks or Damage: We look for any signs of wear and tear, which can lead to water damage or animals finding their way into your chimney.
  • Proper Seal: Ensuring the cap is securely attached to prevent drafts and water leaks.

2. Chimney Crown

The chimney crown is the cement or metal slab that covers the top of the chimney. It acts as a barrier to keep water from entering the chimney stack.

What We Check

  • Cracks and Deterioration: Cracks can lead to water seeping into the chimney, which can cause significant damage over time.
  • Adequate Slope: Ensuring the crown is sloped correctly to keep water from pooling on top.

3. Flue

The flue is the passageway inside the chimney that allows smoke and gases to escape from your fireplace. Flues need to be in top condition to operate safely.

What We Check

  • Soot and Creosote Buildup: These can be highly flammable and must be cleaned regularly.
  • Blockages: Checking for any obstructions that could hamper ventilation.

4. Chimney Liner

The chimney liner protects the chimney walls and helps carry smoke and gases out of your home safely.

What We Check

  • Cracks and Gaps: Any openings could allow dangerous gases to seep into your home.
  • Material Quality: Ensuring the material (whether clay, metal, or cast-in-place) is in good condition.

5. Smoke Chamber

The smoke chamber is where the smoke accumulates before it exits through the flue.

What We Check

  • Sizing: Ensuring the chamber is adequately sized to allow for smooth smoke flow.
  • Smoke Shelf: Inspecting the smoke shelf to ensure it’s clean and clear of debris.

6. Damper

The damper is a movable plate that controls airflow and can seal off the flue when the fireplace is not in use.

What We Check

  • Functionality: Making sure the damper opens and closes smoothly.
  • Seal Quality: Inspecting the seal to ensure it closes tightly to prevent drafts when not in use.

7. Firebox

The firebox is where the fire actually burns, and it needs to be incredibly durable to handle extreme heat.

What We Check

  • Cracks and Gaps: Any openings need immediate repair to maintain structural integrity and safety.
  • Mortar Joints: Ensuring the mortar holding the firebricks is in excellent condition.

8. Ash Dump

The ash dump is a compartment where ashes from your fireplace can be shoveled and stored.

What We Check

  • Cleanliness: Making sure the ash dump is not filled to the brim.
  • Accessibility: Ensuring you can easily reach it for cleaning purposes.

9. Hearth

The hearth is the floor of your fireplace, extending into the room. It’s usually made from non-combustible materials to keep your home safe.

What We Check

  • Cracks and Wear: Ensuring the hearth is free from damage that could pose a fire risk.
  • Proper Slope: Making sure the hearth is leveled correctly.

10. Chase

The chimney chase is the exterior part that houses the chimney and protects it from external elements.

What We Check

  • Water Damage: Making sure there are no signs of leaks or water damage.
  • Structural Integrity: Inspecting for any damages or weaknesses in the structure.

11. Flashing

Flashing is the material (usually metal) that seals the space between the chimney and the roof to prevent water intrusion.

What We Check

  • Leaks: Ensuring there are no leaks where the chimney meets the roof.
  • Corrosion: Checking for rust or other signs of deterioration.

12. Masonry

The masonry includes the bricks and mortar that make up the body of the chimney.

What We Check

  • Cracks and Mortar Loss: Inspecting for any cracks in the bricks or missing mortar that could affect structural integrity.
  • Tuckpointing: Evaluating whether the mortar joints need repair.

Why Regular Chimney Servicing is Essential

Regular chimney servicing is the best way to keep your fireplace safe and efficient. By checking and maintaining all these parts, we help prevent fires, improve efficiency, and extend the life of your chimney.

Our Expert Approach

Our team of experts is dedicated to providing top-notch chimney servicing. When we come to your home, we bring years of experience and training with us. We aim to make your chimney safe and ready for use, so you can enjoy your fireplace without worry.


If you're ready to have your chimney serviced, give us a call today. We’re here to make sure your home stays warm and safe!