Can Synthetic Fibers Replace Wire Mesh?
In the west, the use of welded wire mesh in residential slabs has been on the decline for the last ten years as more contractors are switching to synthetic-fiber-reinforced concrete. Synthetic fibers – which are often called Fibermesh, a well-known brand – have been marketed as a substitute for wire mesh in residential slabs. Most contractors are eager to avoid the hassle of wrestling with wire mesh, and prefer the easier option of ordering synthetic fibers from their ready-mix supplier. Wire Mesh versus Fibers Although often seen as a substitute for wire mesh, synthetic fibers, at least at manufacturers recommended dosages, dont perform the same function. Properly placed wire mesh helps hold together a hardened slab, even if the soil settles slightly. Unlike most synthetic fibers, wire mesh also controls drying shrinkage cracking – the type of cracking which can occur during a period of several weeks after the pour. At typical dosages, the benefits of synthetic fibers occur only durin
