SKE1Ci Insulation Contractor (2) Certification Exam

SKE1Ci Insulation Contractor (2) Insulation contractors frequently miss questions on vapor barrier placement in mixed-humidity climates—confusing when interior vs. exterior positioning matters. Many also overlook R-value requirements for specific wall assemblies and misjudge air sealing priorities relative to thermal resistance. Grasping IECC code updates and regional variations separates those who pass decisively from those who retake.