A Handy Tool for a Sticky Situation – Crack Expander Tech Tip

Have you ever run across a stubborn crack where the resin just won’t flow? Maybe you’ve tried a variety of techniques like flexing the glass with a probe, and heating the glass. But still, the resin will not flow through the crack. What do you do? Don’t give up yet! You can use a handy tool called the 22425 Delta Kits Crack Expander.

The Design

The design of the Crack Expander is to open cracks in glass. Creating a wider path for windshield repair resin to flow more freely throughout the break. To open a stubborn crack using the crack expander, make sure the center screw is retracted. Just until the rubber tip is flush with the bottom of the base. Moisten the cups with a drop of water or glass cleaner. Then place the crack expander on the inside of the windshield, with one cup on each side of the crack. Make sure the center screw aligns with the crack… Read More