Gas piping comes in a variety of materials, but the most common one in households is black steel. The length of the gas pipes may also affect gas flow - the longer the pipe, the lower the air flow. When in doubt, hire a home service pro to get the job done.
Alex was the Representative from ALP and he was AMAZING! He was prompt, professional, kind and efficient. At the same time he was patient and took the time to answer all of my questions. The fireplaces look beautiful now and...