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Windkat Installation Instructions for chimney stacks without pots

Thank you for choosing the Windkat. Please read the information below carefully and email us on should you have any queries.

Please take safety precautions when climbing up to the chimney

  • Wear protective gloves when handling the Windkat as the edges are sharp
  • Only install the Windkat if your chimney is intact
  • Do not install if there is a risk of lightning.

Please make sure your flue is safe and meets building regulations before installing the Windkat. Getting a qualified Chimney Sweep to sweep and check your chimney is a good way to do this.

This guide is for installing Windkat onto chimney stacks without pots

For chimneys with pots or twin wall flues please click here
For flexy liner attachments please click here


Included in delivery:

  • Windkat
  • Base plate
  • 4 x 6mm wall plugs
  • 4 screws
  • Heat resistant sealant

Tools Required:

  • Gloves
  • Pencil
  • Hammer Drill
  • Screwdriver

Installation steps:

  1. Remove the Windkat from the base plate
  2. Place the base plate on the chimney and position it according to the chimney’s dimensions.
  3. Mark mounting holes on the chimney.
  4. Remove the base plate from the chimney and drill the 6mm mounting holes.
  5. Insert the wall plugs into the mounting holes
  6. Use heat resistant sealant to seal the space between base plate and chimney stack.
  7. Secure the base plate with screws into the drilled mounting holes.
  8. Place the Windkat back onto the base plate. The Windkat will fasten automatically due to the nozzles. No extra fasteners are required.
  9. IMPORTANT: The Windkat must fit firmly onto the baseplate. If it slides on/off easily, remove it again and carefully press-in all the injection nozzles by approximately 5mm then push the Windkat all the way onto the plugin connector a gain (this time it should make a firm fit and the nozzles will self adjust).