External longitudinal stay
Non woven fabric is a kind of cloth, and the soil is similar to the plastic film.
Non woven fabric is only used to isolate and partition, and the geotechnical membrane is completely waterproof material, only this point is reflected in the difference between the two.
Geotechnical membrane. The soil membrane is generally smooth and dense materials, but with less. From aspect of appearance: Non woven fabric is mainly used to filter non woven fabrics and geotechnical membrane, because the economy is not reasonable. Distinguish them from their functions: Non woven fabric is porous permeable material, is the two kinds of materials, waterproof and waterproof is its main function, the strength of some of the reinforcement can also be used to isolate
