Key features

• •Chimney Protector & Better Ventilation: Our square base galvanized steel chimney cap & mesh screen safeguard the top chimney from small animals, birds, rain, snow, leaves and certain downward drafts, reducing blockage and provide better ventilation, ensuring a cleaner, safer stove.
• •Sturdy&Well-Constructed: Our fireplace chimney cap for outside 18 x 18 is made of 14-Gauge galvanized steel base and 24-Gauge galvanized steel hood, with sturdy,robust,corrosion&heat resistant. The fireplace chimney cover can withstand harsh outdoor weather condition including strong wind,rain and snow without deformation.
• •Fitment: The 18x18 fireplace chimney cap roof rain cap cover can accommodate covering outside chimney flue tiles ranging in size from 16 1/2" x 16 1/2" to 18 1/2" x 18 1/2".
• •Hassle-free installation: Align the chimney flue liner and slide into the top of chimney flue tile, side mounting and gently push the screws into the pre-drilled holes in the rain cap chimney flue cover until tightened against the outer wall of the chimney flue pipe. Without complicated installation or drilling.
• •Wide-Applications: Outdoor fireplace chimney vent cap suitable for most square wood burner chimney/wood boiler chimney/wood stove chimney with brick, clay, terra cotta, masonry flue tiles or metal flues and other outdoor stove chimneys.