Corrosion resistant pultruded FRP weirs, scum baffles and flight channel have a long and virtually maintenance-free service life. Environmental Composites fabricated weirs can be made in a variety of configurations and are machined to the customer’s required dimensions. Pultruded FRP weirs and scum baffles have more flexibility in notch length, notch height and overall height than molded weirs and scum baffles. Varying thicknesses and much more strength and stiffness are additional advantages.