National Chimney: The Best in the Industry

Founded in 1992, National Chimney manufactures high-quality chimney care supplies and accessories. National Chimney is the premier manufacturer of chimney stainless steel liners and other chimney components. Made in the USA, National Chimney products are expertly designed and manufactured. Our selection of National Chimney products include the M-Flex stainless steel chimney liner kits in various diameters.