Non fibered emulsions are preferred when a smooth, uniform film is required and the application relies on spray or squeegee equipment that can clog with fibers. Typical cases include foundation dampproofing, masonry coatings, and roof systems where reinforcement fabric is installed separately. They are also chosen for thin multiple coat builds where texture is undesirable. Fibered products are favored when you need gap bridging and higher wet film thickness per pass. For production buyers, non fibered emulsions usually demand tighter viscosity control to prevent sagging on vertical substrates.