# -7 Jackets.

- **operation:** document
- **citation:** 49 CFR 179.202-7
- **title:** -7 Jackets.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** The entire thermal protection system must be covered with a metal jacket of a thickness not less than 11 gauge A1011 steel or equivalent; and flashed around all openings so as to be weather tight. A protective coating must be applied to the exterior surface of a carbon steel tank and the inside surf
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-179-202-7.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-179-202-7.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-179-202-7
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-179.202-7
**body:**

The entire thermal protection system must be covered with a metal jacket of a thickness not less than 11 gauge A1011 steel or equivalent; and flashed around all openings so as to be weather tight. A protective coating must be applied to the exterior surface of a carbon steel tank and the inside surface of a carbon steel jacket.

[80 FR 26749, May 8, 2015]
- **truncated:** false
- **body characters:** 357