 ተጨማሪ መከላከያ polymeric ልባስ ደግሞ ይበልጥ ኃይለኛ አካባቢዎች ላይ የሚውለው, ወይም ረዘም ንድፍ ሕይወት የት ያስፈልጋል የሆኑ gabions ለማግኘት ማመልከቻ ነው.
An additional protective polymeric coating is also applied for gabions that are to be used in more aggressive environments, or where a longer design life is required.