Profile: Liberty Pultrusions, Inc. is a manufacturer of pultruded fiberglass shapes, fiberglass rod, fiberglass sheet and custom engineered pultrusion products. Our products include structural pultrusions, pultruded electrical shapes and pultruded rod. Our polyglass structural pultrusions are a combination of fiberglass reinforcements and thermo-setting polyester or vinyl ester resin systems. We stock many sizes of polyglass rod products including round, trapezoid, dogbone and rectangular shapes.