MAD Anti Downdraught Cowl — Multi-Fuel Strap Fix Cowl

MAD Anti-Downdraught Cowl — Multi-Fuel Strap Fix Cowl The mad anti downdraught cowl is a proven solution for reducing wind-related downdraught and improving chimney performance on wood, coal, gas and multifuel systems. This design from MAD Cowls helps stabilise flue draw, reduce smoke blow-back and protect the chimney from rain and birds. Supplied with a stainless steel strap-fix kit for fast, secure installation, the mad anti downdraught cowl fits most standard chimney pots. Helpful resources: Ultimate Guide to Chimney Cowls · Anti-Downdraught Cowls · Chimney Cowls UK Blog · Hot Box Stoves Cowls Why choose the mad anti downdraught cowl Anti-downdraught performance: The mad anti downdraught cowl disperses wind pressure to reduce smoke blow-back and nuisance downdraught. Multi-fuel rated: Suitable for wood burners, coal fires, gas appliances and multifuel stoves (check appliance guidance). Integrated bird guard: Stainless mesh helps keep birds, leaves and debris out of the flue while maintaining airflow. Strap-fix installation: Includes a stainless steel strap-fix band for quick, secure fitting to most clay chimney pots. Built for UK weather: Robust coated body and stainless fixings for long-term outdoor exposure. On particularly exposed or awkward flues, you may also want to compare our spinning cowls for additional draught assistance. Tech specs — mad anti downdraught cowl Product type Anti-downdraught chimney cowl with bird guard Brand MAD Cowls Material Coated steel body with stainless steel fixings Fuel compatibility Wood, multifuel, coal, gas* (*check appliance manual) Fixing method Stainless strap-fix band (included) Primary purpose Reduce downdraught, guard against rain and prevent bird entry Always confirm flue, fuel and sizing with your installer before fitting the mad anti downdraught cowl. Installation & compliance Confirm the chimney pot is structurally sound and sized correctly for the mad anti downdraught cowl. Position the cowl centrally on the pot so the base sits evenly on the rim. Wrap the stainless strap-fix band around the pot and tighten evenly until secure. Check the mesh and air paths are unobstructed and that the cowl is stable. Run the appliance and verify that draw and combustion are improved. For overall UK guidance on flue design and termination, refer to Approved Document J and your appliance manufacturer’s instructions. Related & helpful Shop Anti-Downdraught Cowls Bird Guard Cowls Solid Fuel Cowls Ultimate Guide to Chimney Cowls External: Hot Box Stoves FAQs — mad anti downdraught cowl Does the mad anti downdraught cowl stop all downdraught? It significantly reduces most wind-related downdraught issues by diverting pressure away from the flue. In extremely turbulent locations, you may also consider taller terminals or spinning cowls. Is the mad anti downdraught cowl suitable for wood-burning stoves? Yes. The cowl is multi-fuel rated and commonly used with wood, coal and multifuel appliances. Always confirm compatibility with your stove and flue manufacturer. Is the mesh removable? No. The integrated bird guard is fixed in place to prevent birds and debris entering the flue while still allowing adequate airflow. Can I install this cowl myself? The strap-fix system is straightforward and many competent homeowners can fit the mad anti downdraught cowl. However, professional installation is strongly recommended on high, steep or difficult roofs. More from us: Anti-Downdraught · Blog · Hot Box Stoves Buy the MAD Anti-Downdraught Cowl Add to basket Price shown is ex VAT. Fast UK delivery.