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Usable up to a 21/12 roof pitch for 1 1/2" and 2" pipe and up to 14/12 for 3" pipe.
Tested for ultraviolet, ozone, and weather resistance.
Approved for type B installations.
Elastomer collar heat tested to 180 degrees F.
CAUTION: Do NOT use petroleum-base mastics, sealing compounds, or paints on collar portion of flashings.