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BOX OF 5: CB4 Copper-Base Residential Roof Vent Flashing - Fits 4 inch vent pipes. 16 ounce copper. Adjustable elastomer collar. Fits roof slopes from flat to 45 degrees. Tested for ultraviolet, ozone and weather resistance. Code approved. Flange is TPO Rubber (Thermoplastic) "Better than Neoprene."
CAUTION: Do NOT use petroleum Base Mastics, Sealing Compounds or Paints on collar portion of flashings.
COLLAR HEAT RATING: 180 degrees F Continuous Service - 225 degrees F Intermittent up to 30 minutes
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