US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-150V — CONVERSION VENDOR UNITS AND MEDICAL UNITS296-150V-1100WAC 296-150V-1100WAC 296-150V-1100. What are the flame-spread limitations?Last amended: 1999Year: 2026Length: 16 wordsOfficial source The flame-spread requirements are that all walls and ceilings must be of 200 flame-spread or less.PreviousWAC 296-150V-1090NextWAC 296-150V-1110