General Characteristics Onduline sheets are manufactured by impregnating organic cellulose fibres with bitumen under high temperature and pressure. The sheets are pre pigmented with special purpose resins. The impregnation of colour into the sheets is done using patented techniqumore...
Onduline sheets are manufactured by impregnating organic cellulose fibres with bitumen under high temperature and pressure. The sheets are pre pigmented with special purpose resins. The impregnation of colour into the sheets is done using patented techniques that enable the sheetmore...
Onduline sheets are manufactured by impregnating organic cellulose fibres with bitumen under high temperature and pressure. The sheets are pre pigmented with special purpose resins. The impregnation of colour into the sheets is done using patented techniques that enable the sheetmore...