If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: / Y" r, ]: N% d a( y! r8 {1 W4 c) V
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot7 B1 z" O* E. G
! X& f- U) J& {) {1 m- ^2 C(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. ! V" y0 V" Z# m( x3 N, j* B! {6 E/ K+ }9 a& }4 l) g
(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.