National Chimney Flat Base Premier Damper Cap

The National Chimney Flat Base Premier Damper Cap is designed to be mortared into the crown or fit directly onto an existing top plate. The base plate is made from 18ga 304 stainless steel, and the plate extends 2′ past the screen for ease of installation.

• 9″ x 9″ fits tile sizes 8″x 8″, 9″ x 9″, and 10″ x 10″.  Base opening is 10.5″ x 10.5″
• 9″ x 13″ fits tile sizes 8″x 12″, 9″ x 13″, and 10″ x 14″.  Base opening is 10.5″ x 14.5″
• 12″ x 12″ fits tile sizes 11″x 11″, and 12″ x 12″.  Base opening is 13.5″ x 13.5″
• 12″ x 16″ fits tile sizes 11″x 15″, 12″ x 16″, and 13″ x 17″.  Base opening is 13.5″ x 17.5″
• 13″ x 13″ fits tile sizes 13″x 13″, and 14″ x 14″.  Base opening is 14.5″ x 14.5″
• 13″ x 18″ fits tile sizes 12″x 17″, 13″ x 18″, and 14″ x 19″.  Base opening is 14.5″ x 19.5″
• 16″ x 16″ fits tile sizes 15″x 15″, 16″ x 16″, and 17″ x 17″.  Base opening is 17.5″ x 17.5″
• 18″ x 18″ fits tile sizes 17″x 17″, 18″ x 18″, and 19″ x 19″.  Base opening is 19.5″ x 19.5″

RoofingDirect.com offers an excellent selection of high quality dampers and damper caps for your next roofing job. Our team has decades of industry experience and is ready to serve you. Please contact us, and we will be happy to answer any questions.