How It Works
14 guides in this section.
How It Works guides
How It Works
Can a windshield be replaced in the rain? (No, and here is why)
The one condition that stops a mobile job, the chemistry behind it, and what a shop should say instead of pushing on.
How It Works
Quarter glass and vent glass: the panes other shops decline
The small fixed windows behind the doors and ahead of the mirrors are bonded, not dropped in — and that is why you get quoted a body shop.
How It Works
What happens to your old windshield
Laminated glass is genuinely difficult to recycle, and most of it does not get recycled. Here is why, and what does happen.
How It Works
Sunroof and moonroof glass: what breaks and what it costs
Panoramic panels, spontaneous shattering, and the drains that cause more problems than the glass ever does.
How It Works
Glass for classic and older vehicles
Flat glass, rubber gaskets instead of urethane, and parts that are no longer made. What is different about re-glassing something older.
How It Works
HUD windshields: why the glass costs what it costs and what goes wrong
The wedge-shaped interlayer that stops a ghosted double image, and why a HUD car with the wrong pane is unfixable without another windshield.
How It Works
Rain sensors: how they work and why they stop working after a glass change
The little pad behind your mirror, why it has to touch the glass perfectly, and the gel pad that gets forgotten.
How It Works
Acoustic windshields: the layer that makes a quiet car quiet
What the acoustic interlayer does, how to tell whether your car has one, and why fitting the wrong pane is a complaint that arrives a week later.
How It Works
The black border and the dots: what the frit band on your windshield does
That black band is not decoration, and neither is the dotted fade at its edge. Both are doing a job, and both are where a bad installation shows.
How It Works
Laminated or tempered: why your windshield cracks and your side window explodes
Two completely different materials doing two completely different jobs, and what that means when each one breaks.
How It Works
ADAS calibration: static, dynamic, and why your car needs one
The two ways a forward camera gets re-aimed after a windshield change, which cars need which, and what an uncalibrated camera actually does wrong.
How It Works
Why urethane needs an hour, and what happens if you do not give it one
The adhesive holding your windshield in cures with moisture from the air, which is why the wait changes with the weather and why it is not a formality.
How It Works
The pinch weld: the part of a windshield job you never see
The bonded flange your windshield actually attaches to, why primer is not optional, and why rust there turns a glass job into body work.
How It Works
OEM, OEE or aftermarket windshield glass: what you are actually buying
Three tiers of replacement glass, what genuinely separates them, and the one case where the cheap tier is a bad idea rather than just a cheaper idea.