Amathangi okufaka we-Fiberglass aklanyelwe ngokukhethekile ukugcina izinga lokushisa elijwayelekile. Izinto zokufakelwa yi-PU, Foam, njll. Ngemuva kokufakwa, faka i-fiberglass noma ezinye izinto ezifanele ukumboza nokuvikela ukufakwa.
Ubukhulu: DN500mm - DN25000mm noma ngosayizi weKhasimende ngalinye