FAQ > DIY - Do It Yourself Auto Glass Questions
Can I buy a windshield and installation materials from Phoenix Glass to install it my self? Yes   you   can,   but   if   it   bonds   to   the   vehicle   we   don't   recommend   it   for   many   reasons,   safety   being   the   key   one.      In an   adhesive   bonded   windshield,   side   or   rear   back   glass   installation   for   example   there   are   many   items   and   steps necessary   to   properly   install   them.      It   is   critically   important   that   a   proper   adhesive   system   be   used.      They   must have   primers   used   on   the   pinchweld   and   possibly   the   glass   and   even   the   type   of   glass   cleaner   used   is   critical   to the   safety   of   the   installation.      If   you   were   to   truly   purchase   all   of   the   components   that   are   necessary   to   properly install   your   own   windshield   you   would   be   spending   much   more   of   your   hard   earned   money   than   you   would   if   you had   your   windshield   professionally   installed   by   us.      You   also   would   be   avoiding   the   risk   involved   for   the   breakage of    the    glass    if    something    went    wrong    and    you    would    have    a    warranty    for    the    product    as    well    as    the workmanship.      We   have   actually   had   a   customer   that   went   through   5   windshields   before   he   final   caved   and   had his   wife   bring   the   car   to   us   for   the   finale   6th   windshield   installation   so   the   bottom   line   is   we   highly   recommend   that   you   use   a professional auto glass technician to install your windshield or other auto glass part.
In the paint work phase of the operation I-CAR states that if   top   coats   are   being   applied,   masking   is   to   be   applied   over   the   primer   to   prevent   topcoats   from   being   sprayed   onto   the   surface   of   the windshield pinchweld. After   the   base   coat   and   clear   coat   have   been   applied,   the   masking   is   removed.      The   glass   pinchweld   should   be   cleaned   after   tape removal to ensure any residual adhesive from the tape has been removed. There   is   a   lot   more   to   be   said   to   answer   your   question.   The   pit   falls   in   doing   your   own   auto   body   repair   and   paint   work   are   tremendous and   way   beyond   the   scope   of   this   website.      To   help   some   of   our   customers   find   information   on   the   subject   we   have   posted   an   article mostly from I-Car here in our site at the link below. The link will take you to another article that may pertain to the subject on the I-CAR web site.
Collision Related Auto Body Repair Collision Related Auto Body Repair Windshield Pinchweld Corrosion Repair Windshield Pinchweld Corrosion Repair Your Vehicles Make & Model Your Vehicles Make & Model
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There sure is!  In the body work phase of the operation I-Car states that if body repair was completed on the pinchweld, it is imperative that body filler not be used. Windshields should never be installed over body filler.
My   car   had   a   tree   limb   fall   on   it.   The   limb   made   a   dent   in   the   roof   and   broke   my   windshield.     I'm   planning   on   doing   the   auto   body   repair   as   well   as   paint   work   myself   and   then   I   plan   on having   Phoenix   Glass   install   my   windshield.         Is   there   any   special   body   or   paint   prep   work   I need to do prior to the installation of the windshield?
10% of all accidents are vehicle roll overs which cause almost 11,000 annual fatalities. The FMVSS 216 Standard says a roof must sustain no greater than a 5" crush when one and a half times the vehicle weight is applied to the "A" pillar. Vehicle occupants held inside the vehicle have a 25% greater chance of escaping injury. 75% of occupants ejected from their vehicles are fatalities. Passenger air bags use your windshield for a backstop and can only function properly if the windshield remains in place during a crash. Click the link to see a Consumer Reports crash test video of your vehicle.
Should I use butyl tape to install my own (glue in type) windshield? Absolutely   Not!      Butyl   Tape   is   a   sealant,   not   an   adhesive.      Back   in   the   day   when   butyl   was   used   it   provided adequate   sealing   but   little   strength.      When   automobile   designs   changed,   adhesive   technology   improved   to   provide high   structural   strength   as   well   as   a   moisture   seal.      Butyl   is   now   and   has   been   for   many   years   considered   a contaminate and should be completely removed to ensure a 100% bond strength for the glass.
Components necessary to properly install a windshield or other auto glass part in a vehicle. Butyl Tape is a sealant, not an adhesive.  If you were to install your windshield with butyl tape and your vehicle was involved in a severe accident it will allow your window to literally pop out of the vehicle allowing the passengers to be ejected from w Windshields should never be installed over body filler!
Auto   makers   didn't   make   the   transition   to   urethane   just   for   the   fun   or   economics   of   it.      Like   everything   else   in   life   they   learned   as   they went   along   and   what   they   learned   from   all   the   data   they   collected   over   the   years   at   the   cost   of   serious   injures   and   loss   of   life   was   that the vehicles they were producing had a serious short fall in the area of glass retention. Safety studies show the most common cause of death is being thrown from a vehicle during an accident. In 1970 federal legislation was enacted requiring the windshield to remain intact during a 30 mph frontal impact (FMVSS 212). In 1973, a similar legislation was enacted requiring the passenger car roof to withstand roof collapse during a roll over accident (FMVSS 216).  Due to fuel economy and other concerns, automotive manufacturers choose not to reinforce the roof pillars to meet this standard.
The ANSI / AGRSS Standard If   the   OEM   installation   was   butyl,   polysulfide,   or   other   non   polyurethane,   and   the   vehicle   is   licensed   for highway   use,   adhesive   bonded   stationary   glass   installations   shall   be   performed   using   polyurethane   or   an equivalent retention system unless in conflict with current OEM specifications
If   you   were   to   install   it   with   butyl   tape   and   your   vehicle   was   involved   in   a   severe   accident   it   will   allow   your   windshield   to   literally   pop   out of   the   vehicle   allowing   the   passengers   to   be   ejected   from   within   it.      Today’s   auto   glass   isn't   just   designed   to   keep   the   elements   out   of your   vehicle,   it's   a   major   part   that   is   designed   to   be   an   integral   part   of   the   vehicles   structure   and   it   must   be   installed   properly   with   an adhesive   called   urethane.   Without   it   the   FMVSS   Specifications    the   vehicle   manufacturers   engineers   built   into   the   vehicle   are,   pardon   the pun,   literally   out   the   window.      Actual   figures,   depending   on   whose   data   you   use,   say   that   butyl   tape   is   reported   to   have   a   holding strength   of   60   psi   where   as   it's   reported   that   urethane   adhesive   has   a   holding   strength   of   600   psi.      Whomever   figures   you   use   it   still comes   out   with   the   same   end   result   which   is   that   Butyl,   in   no   way,   has   anywhere   near   the   holding   strength   that   urethane   does.     Another   common   mistake   we   see   a   lot   is   people   buying   butyl   tape   off   the   auto   parts   store   shelf   without   the   compatible   primers necessary   to   make   it   adhere   to   the   intended   surface.   Without   the   intended   pinchweld   and   glass   primers   not   to   mention   proper compatible   paint   preparation   on   the   pinchweld   butyl   tape,   just   like   urethane,   won't   achieve   any   where   near   the   holding   strength   its manufacturers intended it to.  Even the type of glass cleaner used on an auto glass installation is critical.
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