The water travels upon the cement lining and has no concept of or link into the metallic below. The thickness on the cement lining is irrelevant During this avoidance procedure. Corrosion security: The principal benefit of pipe inner coating is the protection with the father or mother pipe from corrosion. https://www.facebook.com/permalink.php?story_fbid=pfbid04N1VVZ8r5yuEwhxFmKRYfwde2gQS5qrcr2LYG1yyiyHHM7o1PXaa9mqPGi8dcCCul&id=61560512640678&__cft__[0]=AZWhX6VFV3CVNXc-PKWky5Er25rAkY5dndjSUSKV92MjSZXn9pW4qsiPplf71IXe86QQBY3bcqMMgdSzXzMzWKQC_OPs-0w5qjXMj0t1f_JCXAWu_K3bJPnSA-3GyLDYGb6qUKMRpwEjku4SFbEXxXSSxiT6zcbE54RvW1TdGUMVzatN5H4hvP7iIGzKDDZoh1Os_UelQsifhhoMVnvlQCGV&__tn__=%2CO%2CP-R