Waa xidhe caag ah oo loo isticmaalo qaybta gelitaanka gidaarka ee boolal balaadhinta.
Tuubbada ballaarinta caaga ah, oo sidoo kale loo yaqaano colloidum ballaarinta derbiga, waxaa lagu gartaa barti wanaagsan, xoog xoog leh oo weyn, iska caabin saameyn leh, dillaac la'aan, qallafsanaan xoog leh, aan miridhku lahayn, laastikada, PP, PA, PE, qalabaynta duritaanka walxaha.Waxa jira nooc kalluun oo darbi balaadhinta qayb ka samaysan kolloidal, qaybo kolloidal ballaadhineed toos ah, taageeraya caaro is-taabsi ah oo aan dhab ahayn.
Tuubbada ballaarinta caaga ah waxay ku habboon tahay alaabta go'an ee la taaban karo ee adag, derbi godan, plasterboard, iyo dhagax dabiici ah oo cufan, saxan hoose, saxan taageeraya, bracket, baluster, daaqad, albaabka, derbiga daah, mishiinka, girder, truss bar, bracket, jaranjarada, Qurxinta derbiga dibadda iyo qalabka korontada.