Fiberglass cloth is a non-twisted roving plain weave fabric, which is an important base material for hand lay-up FRP. The strength of the woven fabric is mainly in the warp and weft direction of the fabric. For occasions requiring high warp or weft strength, it can also be woven into a unidirectional fabric, which can arrange more untwisted rovings in the warp or weft direction, warp fabric, single weft fabric.