Protection of structure.
CFR · 2024-01-01 · US · Title 14
Each part of the structure must— (a) Be suitably protected against deterioration or loss of strength in service due to any cause, including— (1) Weathering; (2) Corrosion; and (3) Abrasion; and (b) Have provisions for ventilation and drainage where necessary for protection.
official document · source cfr-2024 · id 14:§ 25.609