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Double wall black stove pipes represent a superior solution for the safe and efficient venting of wood-burning stoves and fireplaces. These pipes offer enhanced insulation and safety features compared to single wall pipes. In this guide, we'll explore double wall black stove pipes, covering clearances, installation procedures, and addressing frequently asked questions to ensure you have the knowledge needed for a successful installation.


Double wall black stove pipes are designed to minimize the risk of heat transfer to combustible materials. Here are the typical clearance requirements:

  • Wall Clearances: Maintain a minimum clearance of 6 inches between the double wall stove pipe and adjacent walls. Ensure that clearances are maintained from both the inner and outer pipe walls.
  • Ceiling Clearances: Keep at least 6″ clearance to walls, and 8″ of clearance between the double wall stove pipe and combustible ceilings. A ceiling support box can help maintain proper clearances.
  • Floor Protection: Elevate the double wall stove pipe at least 18 inches above the floor or any other combustible materials. Utilize heat shields or floor protectors as necessary.


Proper installation of double wall black stove pipes is essential for safety and performance. Here are the key installation steps:

  1. Select the Right Components: Choose the correct diameter and length of double wall stove pipe sections, as well as any elbows, connectors, and support structures.
  2. Plan the Route: Plan the pipe route to maintain a vertical and straight run whenever possible. Minimize the use of elbows and horizontal sections for optimal draft.
  3. Assemble the Sections: Follow the manufacturer's instructions to assemble the double wall stove pipe sections. Secure the sections with screws or locking mechanisms as specified.
  4. Maintain Clearances: Ensure that you adhere to the required clearances from walls, ceilings, and floors throughout the installation.
  5. Use Support Structures: Use support boxes, wall thimbles, and ceiling support assemblies as needed to secure the pipe in place.
  6. Install a Damper: If necessary, install a damper in the double wall stove pipe to control airflow and heat output.
  7. Regular Inspection: Periodically inspect the stove pipe for signs of damage, corrosion, or wear. Replace any damaged sections promptly to prevent blockages and ensure proper venting.

Frequently Asked Questions

Q: Can I transition from single wall to double wall stove pipe in my chimney system?
A: Yes, it's possible to transition from single wall to double wall stove pipe as long as you follow the manufacturer's guidelines and local building codes when making the change.

Q: What are the advantages of using double wall stove pipe over single wall?
A: Double wall stove pipes provide better insulation, reduced clearances, and increased safety. They are ideal for installations in tight spaces or near combustibles.

Q: Do I still need to maintain clearances with double wall stove pipe?
A: Yes, clearances are necessary even with double wall stove pipes, although they are typically smaller than those required for single wall pipes. Always adhere to the manufacturer's instructions and local regulations.

Q: Can I install double wall stove pipe myself, or should I hire a professional?
A: While some homeowners can install double wall stove pipes themselves, it's recommended to consult with a professional to ensure proper installation and compliance with local building codes for safety.

Double wall black stove pipes offer enhanced safety and insulation for wood-burning stoves and fireplaces. Proper installation, adherence to clearances, and regular maintenance are essential for safe and effective operation. Always consult the manufacturer's instructions and local regulations when installing and using these pipes.