鋼管(guan)(guan)(guan)套(tao)又叫(jiao)穿(chuan)墻(qiang)(qiang)(qiang)套(tao)管(guan)(guan)(guan)，穿(chuan)墻(qiang)(qiang)(qiang)管(guan)(guan)(guan)。止(zhi)水套(tao)管(guan)(guan)(guan)分為(wei)剛性止(zhi)水套(tao)管(guan)(guan)(guan)和柔性止(zhi)水套(tao)管(guan)(guan)(guan)。安裝完畢后(hou)允許有(you)變(bian)形量的(de)(de)---柔性;不允許有(you)變(bian)形量的(de)(de)--剛性。兩者主(zhu)要(yao)是使用(yong)的(de)(de)地方不一樣，柔性止(zhi)水套(tao)管(guan)(guan)(guan)主(zhu)要(yao)用(yong)在(zai)人(ren)止(zhi)墻(qiang)(qiang)(qiang)，水池等要(yao)求很高的(de)(de)地方，剛性止(zhi)水套(tao)管(guan)(guan)(guan)一般(ban)用(yong)在(zai)地下室等管(guan)(guan)(guan)道(dao)需穿(chuan)管(guan)(guan)(guan)道(dao)的(de)(de)位置，剛性防水止(zhi)水套(tao)管(guan)(guan)(guan)適用(yong)于管(guan)(guan)(guan)道(dao)穿(chuan)墻(qiang)(qiang)(qiang)處(chu)不承受管(guan)(guan)(guan)道(dao)振動和伸(shen)縮變(bian)形的(de)(de)構(建)筑物。