Japanese Style Interlocking Clay Eaves Drip Tiles Weatherproof Dark Grey Roof Tile System for Traditional East Asian Slope Roofs In traditional Japanese architecture, the eaves drip tile, known as nokigawara (軒瓦), plays a critical role beyond aesthetics—it is the roof's primary defense against water intrusion. Positioned at the lowest edge of the roof slope, this tile guides rainwater away from the building's wooden framework and foundation, protecting the structure from