The largest mortar sleeve in the DuraFlex SS collection, the DuraFlex SS 6-ft. Mortar Sleeve for 8 inch Chimney Liner is built to last with heavy duty stainless steel. Designed for use with the DuraFlex UltraPro 8-in chimney liner pipe, this product meets the UL1777 standard for mortar chimneys and fireplaces. DuraFlex mortar sleeves are also available in 4", 5", 5.5", and 6", although their diameter is actually an in smaller than their nominal diameter.
- UltraPro 6-in. Mortar Sleeve
- Designed for Dura flex UltraPro 8-in. chimney liner pipe
- Actual diameter is 1" larger than nominal diameter
- Available in 4", 5", 5.5", 6", and 8"