Constructed of economical silt fabrics and hardwood stakes, spaced every 10 ft, 11 stakes per 100 ft of fabric. Erosion and sediment control material, helps protect environment. Contains sediment, topsoil and other organic material while allowing water to flow through. Grab tensile rating of 125 lb. Grab elongation up to 15%. Mullen burst of 347 psi. Pressure rating of 60 lb for puncture. Pressure rating of 80 lb for trapezoidal tear. SR UV resistance of 80%. Squared permittivity (1 sec) of 30 gal/min.