Understanding the Types of Chimney Pots


The Function of Chimney Pots



Chimney pots are important components installed atop chimney stacks to facilitate the release of smoke and gases. While they’re not always considered, their design can impact performance. The Roll Top, Sankey, and Tall Boy are among the most favoured designs.





The Roll Top Pot: Traditional Form with Practical Benefits



Featuring a rounded rim, the Roll Top Pot is widely used on heritage properties. This shape helps to block moisture, ensuring the chimney flue stays clear.



A key benefit the Roll Top design is its wind resistance. The outward curve helps prevent smoke re-entering the property during adverse weather.



Usually made from weatherproof ceramic, these pots withstand the elements. Their style is neutral enough to match a wide range of rooftops.





The Sankey Pot: Wide-Opening for Performance



The Sankey Pot is notable for its expanded diameter and increased height. This design promotes powerful airflow, making it well-suited to big fireplaces.



By allowing smoke to exit more freely, it helps minimise the buildup of materials that can cause flue restrictions. It's especially beneficial in homes with wood burners.



In appearance, the Sankey offers a utilitarian presence, adding visual interest to your chimney stack.





The Tall Boy Pot: Elegant Verticality



True to its name, the Tall Boy Pot features a slim base and extended height. Its design encourages improved chimney draw, particularly useful in open settings.



By improving draw, it reduces the chance of smoke returning indoors, which enhances the safety and effectiveness of your heating setup.



Aesthetically, this sankey pot style fits seamlessly into designs where roof space is limited or where a more modern appearance is desired.





FAQs: What to Know Before You Buy




  • What are the signs a chimney pot needs changing?

    Look out for breaks, unstable fitting, or repeated smoke issues indoors.


  • Do chimney pots come in various materials?

    Yes, including clay, each with its own lifespan.


  • Which design works best against downdraught?

    The Roll Top design is especially reliable for this, as its shape helps deflect wind.


  • Is the Sankey Pot too large for small properties?

    Not always. It depends more on your chimney’s usage than the building size itself.


  • How does the Tall Boy Pot influence chimney efficiency?

    Its height supports natural draught, reducing the check here risk of backflow and aiding smoke extraction.


  • What should I consider when choosing a chimney pot?

    Consider chimney height, appliance type, flue size, and your desired visual finish.






Choosing the appropriate chimney pot can protect safe airflow and heating efficiency. The Roll Top, Sankey, and Tall Boy options all offer tailored solutions. Visit WT Knowles to browse their range and receive professional advice.


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