How to Install a Wood Stove Chimney Through a Cathedral Ceiling

Installing a wood stove in a space with a cathedral ceiling can be a challenging but rewarding project. To ensure safety and efficiency, it’s crucial to install the wood stove chimney correctly. In this guide, we’ll provide precise instructions for installing a wood stove chimney through a cathedral ceiling.

Materials and Tools:

Before you begin, gather the necessary materials and tools:

Materials:

  1. Stove Pipe: Double-wall insulated stove pipe suitable for your wood stove.
  2. Chimney Pipe: Double-wall insulated chimney pipe.
  3. Roof Flashing: A roof flashing kit designed for cathedral ceilings.
  4. Storm Collar: To create a weatherproof seal around the chimney pipe.
  5. Roof Support Kit: Designed for cathedral ceiling installations.
  6. Firestop Spacer: To maintain proper clearances through the ceiling.
  7. High-Temperature Silicone Sealant: To seal pipe connections.
  8. Anchor Plate: For securing the chimney pipe to the ceiling.

Tools:

  1. Tape Measure: For precise measurements.
  2. Screwdriver and Screws: For securing components.
  3. Level: To ensure the chimney is straight.
  4. Chalk Line: For marking guidelines.
  5. Hole Saw: To cut holes for pipe passage.
  6. Wrenches: For tightening connections.
  7. Safety Gear: Including gloves and safety glasses.

Installation Steps:

  1. Check Local Regulations: Before beginning, check local building codes and regulations. Permits may be required for wood stove installations.

  2. Determine the Location: Decide on the optimal location for your wood stove. Ensure it complies with clearance requirements from combustible materials.

  3. Install the Stove: Place and secure the wood stove in your chosen location, following the manufacturer’s guidelines for clearances.

  4. Determine Ceiling Penetration Point: Measure and mark the point on the ceiling where the chimney will penetrate.

  5. Cut the Hole: Use a hole saw to create an appropriately sized hole in the ceiling. This hole should match the diameter of the chimney pipe you’re using.

  6. Install Roof Support: Secure the roof support kit to the ceiling, aligning it with the hole. Use a level to ensure it’s plumb.

  7. Attach the Firestop Spacer: Slide the firestop spacer over the chimney pipe and lower it onto the roof support kit. Ensure it’s centered over the hole.

  8. Install Roof Flashing: Place the roof flashing over the chimney pipe, ensuring it fits securely over the hole in the roof. Attach it with screws, creating a watertight seal.

  9. Attach the Storm Collar: Slide the storm collar over the chimney pipe and secure it to the roof flashing, creating a weatherproof barrier.

  10. Connect the Chimney Pipe: Assemble the chimney pipe sections and secure them using the provided locking bands or screws. Make sure they fit snugly.

  11. Secure the Anchor Plate: Attach the anchor plate to the chimney pipe, using screws to secure it to the ceiling joists.

  12. Seal Joints: Use high-temperature silicone sealant to seal all the joints and connections in the chimney system.

  13. Extend Above the Roof: Continue adding chimney sections to extend the pipe above the roofline. Follow manufacturer’s recommendations for height and clearances.

  14. Complete the Exterior: Install a rain cap or termination cap to prevent weather and animals from entering the chimney.

  15. Inspect and Test: Before using the wood stove, inspect the entire chimney system for any issues. Start a small fire and ensure the system draws correctly and there are no leaks or obstructions.

By following these steps, you can safely and effectively install a wood stove chimney through a cathedral ceiling. It’s essential to adhere to local regulations and the manufacturer’s instructions for both your wood stove and chimney components to ensure a safe and efficient heating system in your home.

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