US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-150C — COMMERCIAL COACHES296-150C-1130WAC 296-150C-1130WAC 296-150C-1130. Insulation standardsLast amended: 1996Year: 2026Length: 23 wordsOfficial source Insulation standards for commercial coaches must comply with the Washington State Energy Code, unless another state law supersedes the Washington State Energy Code.PreviousWAC 296-150C-1120NextWAC 296-150C-1140