Perfect Base Manhole rings are the ultimate manhole solution. Each individual base is custom designed to suit any inlet/outlet configuration. Manufactured in sizes DN1200, 1500 and 1800. The base is the most economic, safe and efficient method of installing a manhole.
Made to fit the new wide wall watertight manhole ring. A rubber seal is installed completing an entire watertight chamber and our standard manhole rings with a tongue and groove joint where no concrete surround needed.
Perfect Bases are manufacutred to suit all types of pipe at any angle. By simply by dropping our base into position and fitting the pipes the benched base is ready for the rings. This saves valuable time onsite.
Available in the following sizes: