Lava stone (Basalt stone) is an actual stone that is produced from volcanic eruptions. it is widely used for exterior paving for square, drive ways, pedestrian areas, courtyard, patios, urban sidewalks, steps treads and risers, kerbstone, and palisades, pool copings, building facades, It was also used inside as fireplace surrounds, window sills, kitchen countertops, it can absorb the sound and dust indoor.
This kind of stone material has the special features which other stone material doesn’t have for its individual holes, such as sound absorption and insulation, heat insulation and reserve, frozen proof etc. It has good sightseeing for the continuous big and small holes, with primitive simplicity and elegant style.
Every environmental test of this stone is all fine under very strict inspections, it is green environmental building material. It also has features of sour and alkali proof, can be used in many areas.
Lava stone is grey color, no chromatism forever and turn to dark blue color permeated with water. It has three kinds of big, line and mini pores according to the different holes in it. The diameter is 5-20mm for big pore, and 0.1-5mm for mini pore; The wholly separation among the pores is one of its features for this kind of stone.
