Lightweight: it's specific weight is 1/3-1/4 of natural stone,not need extra support of wall footing.
Iftiiminka Jumlada ah Muuqaalkiisa gaarka ahi waa 1 / 3- 1/4 ee dhagaxa dabiiciga ah, looma baahna taageero dheeri ah oo aasaaska gidaarka.