The separation function is one of the most basic function of geotextiles, it prevents the intermixing of two adjacent soil.
The reinforcement function of geotextiles is providing strength, in a similar manner as the reinforcing steel, which helps to hold the soil in its place.
Filtration / Drainage
The filtration function of geotextiles will permit the passage of water while retaining the soil particles at the same time. While the drainage function is the ability to collect and transport ground water in the plane of the geotextiles.
The protection function in geotextiles helps to shield synthetic membrane from puncture, abrasion and or perforation.