Typical applications for thermally bonded nonwoven geotextiles include: As a general purpose separator for use under site access roads and areas of hardstanding As a separation and strengthening layer under new roadways, car parks, industrial units etc. As a filter surround in the construction of a french drain or granular drainage blanket For separation: to prevent the intermixing of dissimilar soil layers For filtration: to allow the passage of fluids whilst preventing the uncontrolled passage of soil