Downdraught in a chimney refers to the reversal of airflow within the flue, causing smoke and other combustion byproducts to be drawn back into the room instead of being properly vented outside. This can lead to poor indoor air quality, smoke damage, and potential health hazards.

To solve downdraught issues in a chimney flue, you can consider using chimney cowls. Chimney cowls are specially designed devices that can help improve the performance of your chimney and prevent downdraught. Here are a few chimney cowls available from Chimney Cowl Products, along with links to their respective pages on the website:

  1. Colt Top 2 Chimney Cowl:
  2. Anti Downdraught Chimney Cowl:
  3. Brewer UFO Anti-Downdraught Cowl:
  4. Stainless Steel Anti-Downdraught Birdguard:
  5. MAD Anti-Downdraught Cowl:

These chimney cowls are designed to create positive updraft and improve airflow within the flue, thereby reducing or eliminating downdraught. It’s important to choose the appropriate cowl for your specific chimney and downdraught issue, so make sure to read the product descriptions and specifications provided on the respective webpages.