Single flue caps attach to the flue. For chimneys with a sing
le square or rectangular flue, select a chimney cap from those shown below. You will see chimney caps that attach to the flue with a clamp like the clamp on an automobile’s radiator hose. Others attach to the flue with set screws that press against the flue.
Which Metal is Best for a Chimney Cap? Single Flue chimney caps are manufactured from stainless steel, copper, and galvanized steel. Stainless steel is the best value for the dollar. Copper is the most elegant, especially for historic or upscale homes. Stainless steel and copper chimney caps come with a lifetime warranty. Some stainless steel caps can be powder coated with black or colored with heat resistant finishes. Galvanized steel is the least expensive and the least durable. Galvanized steel chimney caps are painted black.
Copper is not recommended for light colored chimneys. Stainless steel is the preferred metal for salt water climates.
What to Measure: To measure for a single flue chimney cap, measure the outside length and width of your flue.
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