Oct 10, · Our professional grade, extra heavy-duty 5 ounce per square yard, 12 gal/min/SF, 35 mil rated woven polypropylene geotextile fabric is philic treated to allow air, water, and nutrients through its needle punched, multi-layer nstruction. For a quality job, avoid using cheap non-woven weed-barrier landscaping fabric or burlap (jute fiber