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  1. Dianne

    Is an additional layer of 30# and the tape on the plywood joints required on roofs over 2/12 pitch on all systems?

    1. Claudia Abbona

      Tape is not required in HVHZ, if you install tape it must be covered with #30 roof felt. the use of double #30 roof felt in HVHZ it is not required. The rest of the State does require it now. Thanks to Gaspar Rodriguez MDC