波なみ板いた

noun

corrugated sheet; corrugated plate

Refers to a sheet of material (metal, plastic, etc.) with a wavy cross-section, commonly used in roofing, siding, and packaging.

• 屋や根ねに波なみ板いたを敷しいた。

  We laid corrugated sheets on the roof.

• この波なみ板いたはプラスチック製せいで軽かるい。

  This corrugated sheet is made of plastic and is light.