Patent ID: 7172372

Claim:
A method of making a sediment control roll, the method comprising (A) providing a precursor for a sediment control roll, the precursor comprising (i) an apertured sheet material having apertures therethrough, each of the apertures having an area of 0.01 to 1.0 in. 2 , and (ii) a sheet of filter material which has apertures therethrough, each of the apertures having an area of less than 0.01 in. 2 , and which is secured to part or all of the apertured sheet material; (B) shaping the precursor to provide a generally tubular body (a) which comprises first and second parts of the apertured sheet material which overlap each other, and (b) in which at least part of the filter material is secured to at least part of an interior surface of the generally tubular body; and (C) securing the overlapping first and second parts of the apertured sheet material together.