The Mini Eurocowl is the answer to all your chimney needs and it comes with an added specialism in dealing with downdraught issues. Deliberately designed to cure smokey fireplaces & stoves by directing wind across the chimney pot as opposed to down and into the flue, all the while enabling the harmful emissions to escape freely out of the top.
This design also protects the chimney from rain as the dome top covers standard chimney pot openings and the rain will run down onto the flange and away from the flue, driving rain from the side is kept to a minimum with the outer skirt protecting the sides.