瀬戸内 List of Products and Services

We would like to introduce our product, "Blue Crushed Stone (Aosaiseki) 40mm," available on our official online store. This gravel consists of larger particles. When laid in a parking lot, it provides stability. There is no bouncing, and degradation is minimized over the years. It is a strong crushed stone that is also used as aggregate for ready-mixed concrete. Please feel free to consult us when you need it. 【Specifications (Partial)】 ■Raw Material: Hard Sandstone ■Origin: Kanpo, Shunan City, Yamaguchi Prefecture ■Manufacturing Method: Crushing and Sorting *with sharp edges ■Color: Blue Lead Color ■Standard: 30-40mm, single particle crushed stone *For more details, please download the PDF or feel free to contact us.

We would like to introduce our product, "Blue Crushed Stone (20mm)," available on our official online store. This is a classic gravel that has been used for parking lots and garden pathways for many years, made by artificially crushing natural sandstone. It has a beautiful finish and is ideal for budget-friendly backyard gravel. When wet, it takes on a lovely blue lead color. 【Specifications (partial)】 ■ Raw material: Hard sandstone ■ Origin: Kanpo, Shunan City, Yamaguchi Prefecture ■ Manufacturing method: Crushing and sorting *It has sharp edges, but they are not prominent ■ Color: Blue lead color ■ Size: 20-10mm, single particle crushed stone *For more details, please download the PDF or feel free to contact us.

We would like to introduce our product, "Blue Crushed Stone (10mm)," available on our official online store. This is a natural rock that has been artificially crushed and can be used as gravel for general parking lots and gardens. It is small in size, easy to spread, and has moderate walkability and drivability. In parking lots, there may be tire marks and stone splashes. It is coarse aggregate for ready-mixed concrete, with a particle size that is easy to work with. 【Specifications (partial)】 ■ Raw material: Hard sandstone ■ Origin: Kanpu, Shunan City, Yamaguchi Prefecture ■ Manufacturing method: Crushing and sorting *It has sharp edges, but they are not prominent ■ Color: Blue lead color ■ Quality: Wear reduction 9.3%, Coarse particle rate 7.07, Alkali-silica reactivity harmless ■ Standard: 10-5mm single particle crushed stone *For more details, please download the PDF or feel free to contact us.