Home owner and Engineer For information only

  1. What is the vent flue height for a house hold furnace above a flat roof surface?
  2. Having the roofing membrane for brick parapet wall flashed under a capstone approximately 4 ft height. Is that acceptable even though the standards call for a minimum of 8 to 10 required for roof flashing?
    3)Do you need to check if cant strip is installed? If is not installed, would there be a problem to the roof?