NorStone produces concrete aggregates of high and consistent quality - concrete aggregates is one of our main products. We have high capacity both on production and our logistics. Aggregates (sand) from Årdal is used as a reference product in Norway.
The grading of the aggregates is the composition of different sizes of the material. This will affect the strenght of the concrete. NorStone can produce aggregate with customer spesific grading.
Standard product from Årdal (natural gravel) is 0-8 mm.