Structured Mat bodyRHEINZINK® America, Inc. has introduced AIR-Z®, a structured mat for RHEINZINK standing seam roof systems, copings and inlay gutters. AIR-Z is a three-dimensional mat made of nylon filament installed over underlayment with substrates of plywood or Oriented Strand Board (OSB). It was engineered for sloped roof applications starting from 5/8:12 pitch and compensates for structural tolerances up to 2 mm. For more information, call 781-729-0812 or visit