Options for Precast Ornament for Historic Building - Traditional
21 Jul 2015 The big four〞precast concrete, cast stone, GFRC and fiberglass〞account for the majority of today's precast ornament. in the 1860s, as a way to make lintels, window sills, stair treads and copings in cases where stone was difficult to obtain, especially in sufficient lengths. . As the name suggests, GFRC is a composite of Portland cement, aggregate, water, glass fibers and additives.