If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: + x5 P% I$ Z0 P& z2 y 9 B( M" `; p7 R' @: E(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot ' _) g5 `( U) L. t' N: Q; E5 i- g T# v+ s3 b/ u/ t" \
(2) To buy a round or square think-glass-disk with diameter or side length of 1 inch. If you can't find it, you can go 99 cents stores or dollartree to buy a large-clear-cloth-button at similar size.% d( L. R* k% B7 g
9 z o" q- V$ f; b5 J6 A# }(3) Prepare Epoxy well, spread the paste to one side of the glass or button, attach it to the crack-upper-end from inside of windshield. Wait for 24 hrs. It'll be as solid as a rock and permanently stop the crack extension.