外壁

1. Origins, structure, and basic meaning

• Structure: 外壁 is read as がいへき and means “exterior wall”.
• Basic usage: The examples show a house exterior repainted white and an outer wall damaged by wind.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is a building’s outer wall surface and contrasts with interior 内壁; it is commonly discussed in painting and repairs.