Your front and rear windshield wiper are both large, mostly clear pieces of glass that allow you to see out of your vehicle. Beyond these basic similarities, however, the two pieces of automobile glass have little else in common.

Here are some of the ways your rear windshield is different from your front windscreen wipers:

Construction. Your rear windshield is constructed of tempered “safety glass” that adds to your vehicle’s structural stability and helps protect its passengers. The glass has been reinforced by thermal or chemical treatments that make it capable of withstanding severe impact; so, when shattered, it will break into chunks rather than shards.

Features. Most rear windshields have some obvious feature, or asset, that set them apart from front windshields. Most cars have rear windshield wipers that move from side to side, and some have grids or lines used for defrosting. Many trucks have sliding windows, or windows that open outward on a hinge, and many SUVs and station wagons have tailgates/lift-gates that include glass.

Replacement. Because of the differences noted above, whenever your rear windshield is damaged, the process of repair or replacement is different than it is for front windshield repair or replacement. So, when choosing a Pittsburgh auto glass shop, don’t pick one that just fixes automobile glass; pick one experienced in Pittsburgh rear windshield repair and replacement.

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