cracked windshield

since 1969

how to fix your issue
with j-b weldStar

  • Step 1: Clean loose pieces of glass from damaged area.Clean windshield around the damaged area with alcohol towelette. Place a cloth near the bottom of the windshield below the damage. This will stop resin that might flow from the repair area.

  • Step 2: Take the adhesive disc and peel the backing off the green side of the disc, place on glass and press firmly to ensure that the whole adhesive disc is in contact with the windshield. Look at the disc from inside the vehicle to make sure that there are no air bubbles.

  • Step 3: Peel off the other side of the adhesive disc. Line up the pedestal with the adhesive disc making sure that the tab again points up and matches the tab on the adhesive disc. Firmly press the pedestal against the disc again to eliminate any air bubbles in the adhesive.

  • Step 4: Remove the cap from the resin tube. Away from painted surfaces and your face, carefully cut off tip (approximately ⅛") to open the resin tube. Place resin tube stem ¼' into pedestal. After tube is squeezed, remove resin tube from pedestal. Wipe off any residual resin from tip. Replace cap on resin tube and save any remaining resin.

  • Step 5: Make sure that the plunger is pushed all the way into syringe prior to use. Carefully and firmly twist the tip of the syringe into the pedestal. The fit between syringe and pedestal should be tight.

  • Step 6: Hold the syringe with one hand and gently pull plunger upward with the other hand. Lock in plunger at lowest indent setting but turning plunger indent into clip. Spring clip system will secure plunger in place. Allow entire assembly to sit for 10 minutes.

  • Step 7: After 10 minutes, temporarily remove the syringe from the pedestal. This will allow air into syringe. With plunger still locked in lowest indent setting, carefully place syringe back in pedestal by twisting the tip of it into the pedestal. Hold the syringe with one hand and gently push plunger down with the other hand. Lock in plunger at uppermost indent setting by turning plunger indent into clip. Allow entire assembly to sit for at least 20 minutes.

  • Step 8: Remove the syringe. Using the safety razor, slowly remove the pedestal and the adhesive disc from the glass. Wipe off any residual resin from glass.

  • Step 9: Remove cap from resin tube. While holding resin tube in one hand and curing strip in the other hand, carefully squeeze a bead of any remaining resin into the hold of the damaged area. Place curing strip over damaged area to hold in resin.

  • Step 10: Remove any air bubbles by using safety razor to lightly smooth over curing strip. Move the vehicle to a sunny area and let sit in direct sunlight for 15 minutes. Resin will cure with natural UV sunlight. Once resin has cured, carefully remove curing strip by peeling it away from windshield. If the surface of the glass is uneven, safety razor may be used to remove any excess cured resin from windshield. Clean windshield again with alcohol towelette.

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