What a resin fill actually takes on the outer lite
Drill, vacuum, inject, UV, polish. Twenty minutes off to the side, closer to half an hour in the driver's view.
A repairable bullseye is a cone missing from the outer lite of a laminated windshield. The PVB interlayer and the inner lite stay where they are. Resin does not cross that sandwich, and it does not replace it.
The sequence on the glass is short and specific. The pit is drilled just enough to open a path. Moisture is pulled with a vacuum. Resin goes in under pressure. A UV lamp cures it. The surface is polished flush so a wiper does not catch a proud pit.
A small break off the driver's view is often about twenty-two minutes on the glass. In the driver's view, at or under a quarter, the same steps run closer to half an hour because the fill has to stay optically clear. Rushing the vacuum is how a repair goes milky.
A long crack that has already opened the inner lite is outside this clock. The windshield is moving, and another syringe of resin will not stitch it back together.
If the inner lite is already open, stop. The windshield has to come out.