Flexible Aluminum Chimney Liner

The most flexible aluminum chimney liner on the market. They have proven to be more resistant to tearing than other aluminum liners under the toughest conditions. These benefits have been achieved by incorporating an offset two ply seam, uniquely located on the shoulders of corrugations rather than in the valley of corrugations like other flex products. This is the most compact chimney downsizing kit on the market, utilizing a tube compression ratio of 5:1 on most sizes. Competitors typically only achieve a 3:1, requiring a very large carton. Tested and Listed to UL 1777 and ULC-S635

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