The black galvanized steel chimney cover is the durable and economic choice for chimneys in most regions. The outside mounting design provides maximum free air space and better draft while the attractive powder coat finish helps it stand up to the elements. Made with a 24 gauge galvanized steel hood with scalloped corners, 18 gauge 3/4-in expanded galvanized steel mesh, 14 gauge galvanized steel base and slotted hex-head bolts. Five (5) year limited warranty. Made in the USA.