Contractors Express, Inc.

“All piping installed outdoors shall be elevated not less than 3 ½ inches (152 mm) above ground and where installed across roof surfaces, shall be elevated not less than 3 ½ inches (152 mm) above the roof surface. Piping installed above ground, outdoors, and installed across the surface of roofs shall be securely supported and located where it will be protected from physical damage. Where passing through an outside wall, the piping shall also be protected against corrosion by coating or wrapping with an inert material. Where piping is encased in a protective pipe sleeve, the annular space between the piping and the sleeve shall be sealed.”

 

Not following the IFG Code	Following the IFG Code