Geotextiles and drainage products are used in large scale and small scale civil engineering projects to provide: separation, reinforcement, filtration, protection and drainage. Silt fences, filter bags, box gabions, erosion control blankets, and drains are included in this category. George L. Wilson carries PennDOT approved products as well as landscape fabrics. Call your George L. Wilson Sales Rep for more information about all of our geotextile and drainage products.