## # Cracking Paint Defects ![TST 64.png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-01/TST%2064.png.webp?itok=mJ7bMi7W "TST 64.png") Causes - Faulty paint system on thermoplastic substrates - (direct application of polyester putty or filler, wash primer, or synthetic resin products on TPA) - Flash-off too short in wet-on-wet application ![paint defect - prevention.png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-01/paint%20defect%20-%20prevention.png.webp?itok=lhkqUPyU "paint defect - prevention.png") Prevention - Respect the refinishing procedures for factory-applied TPA finishes - Respect the recommended flash-off times between coats ![paint defects - repair.png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-01/paint%20defects%20-%20repair_0.png.webp?itok=eXS0Aq4P "paint defects - repair.png") How to repair - Sand the paint film back to a sound substrate - Repaint using suitable undercoat and finishing materials Repair Steps [Basecoat/ Topcoat](/en-emea/taxonomy/term/165) [Clearcoat](/en-emea/taxonomy/term/166) [Primer/ Filler](/en-emea/taxonomy/term/172) [Putty](/en-emea/taxonomy/term/162) [Sanding Filler](/en-emea/taxonomy/term/163) [Wet-on-Wet Filler](/en-emea/taxonomy/term/164) Start working with baslac today. It just makes sense. [Contact us ](/en-emea/contact-us "Contact us") Get in touch with your local baslac dealer now and start working smarter. [Find a dealer near you ](/en-emea/dealers "Find a dealer near you")