The Home Depot carries a wide variety of chimney cap options, such as adjustable and fixed, that are made from many different materials, including stainless steel and copper. Some featured chimney cap brand names on HomeDepot.com are The Forever Cap, DuraVent and Master Flow.
Chimney caps that are manufactured by The Forever Cap are the most heavily featured by The Home Depot, as of 2015. The Forever Cap chimney cap designs that are sold by The Home Depot are mainly fixed caps, although The Forever Cap does manufacture some adjustable chimney caps as well. For example, the 14 by 14 inch Adjustable Stainless Steel Chimney Cap by The Forever Cap that is sold on HomeDepot.com can fit flue sizes ranging from 11 by 11 inches to 14 by 14 inches. The Forever Cap caps are also generally made from stainless steel.
The next most prominent chimney cap suppliers carried by The Home Depot are DuraVent and Master Flow. The Home Depot carries nine different chimney cap designs from both manufacturers, as of July 2015. The chimney caps designed by Master Flow are generally black and metallic and are mostly fixed caps. DuraVent carries a more diverse range of colors for its chimney caps, including metallic, silver and multicolor. DuraVent also designs chimney caps for gas, wood and pellet fueled chimneys.