06/02/2026
https://www.alfredpoppins.co.uk/how-to-deal-with-a-cold-plug-in-your-chimney/
A simple guide from Alfred Poppins – Chimney Sweeping & Stove Specialists What is a cold plug? A cold plug happens when a column of cold, dense air becomes trapped in the chimney flue. This cold air blocks the warmer air from rising, preventing the stove or fireplace from drawing properly. Cold pl...