Our fiberglass is "E Glass" and one of the most widely used all purpose composite reinforcement materials.  Structural E Glass is made from continuous glass filaments that are plied and twisted into yarn and then woven into a tubular form.  Sold in 10, 30, 50 and 100 foot spools.  Stock widths are:

    Width          Expands to:

      3"             12" circumference

      5"             20" circumference

      7"             28" circumference

      9"             35" circumference

     12"            50" circumference