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The 2SILRRTV106-X from Z-Flex is a Z-Vent Sealant (3 oz). It's engineered for AL29-4C special gas vent pipe, suitable for positive or negative pressure. Z-Vent is UL tested and listed to UL1738/S636. CAT II, III, IV venting approved.
Flashing for use in flat roof or chimney application.