ASE B2 Painting & Refinishing study guide
ASE B2 Painting & Refinishing · Work through your exam, one topic at a time.
The ASE B2 Painting & Refinishing credential is one of the collision repair and refinish certifications offered in the ASE certification test series. It is intended for technicians whose work centers on vehicle refinishing - preparing substrates, operating and maintaining spray equipment, mixing and matching color, running a spray booth, applying topcoats and clearcoats, and diagnosing and correcting finish defects. The ASE B2 Painting & Refinishing study guide has 6 sections and about 1,946 words.
01Surface Preparation
Surface preparation questions test whether you understand why each step exists, not just the sequence. Know the difference between cleaning (removing wax, silicone, road film with a dedicated pre-cleaner) and abrading (creating mechanical tooth with the correct grit).
325 words, about 2 min02Spray Gun Operation and Maintenance
You must understand how a gun's adjustments interact and how to diagnose spray patterns. Know the three primary controls: fluid (needle travel, controls volume), fan/pattern (air to the horns, controls width), and air (inlet pressure at the gun).
362 words, about 2 min03Paint Mixing and Color Matching
Know the mixing system: basecoat, reducer, hardener, and additive ratios by volume, and why ratios matter. Understand pot life , induction time , and recoat windows .
318 words, about 2 min04Spray Booth Operation and Maintenance
Booth questions test airflow, filtration, temperature, and safety. Understand downdraft vs.
314 words, about 2 min05Refinishing Applications and Procedures
This domain covers the sequence and technique of applying primers, sealers, basecoat, and clearcoat, plus blending and panel repair. Know flash times, wet-on-wet application, and the difference between a sealer and a primer-surfacer.
302 words, about 2 min06Paint Defects, Causes, and Corrections
You must link each defect to its root cause and the correct repair. Learn to distinguish defects that occur during application from those caused by contamination, substrate, or environment.
325 words, about 2 min