A chase cover protects prefabricated chimneys from water, rust, and future damage.
Most factory chimneys come with cheap galvanized covers that rust within a few years. A stainless-steel replacement prevents leaks and eliminates future corrosion.
Rust stains down siding
Water inside fireplace
Rattling noise on windy days
Visible holes or warping
Remove old rusted cover
Inspect top of chase
Install custom-fit stainless-steel cover
Seal & secure unit