PREDL - Model Infra-Manhole - Pp / Grp Synthetic Material - Brochure

The Infra-manholes by Predl - Schachtboden-Produktionen are an advanced solution for modern separated water systems. These manholes are constructed using high-quality precast concrete that adheres to the stringent BS EN 1917 norms. The inner lining is made of a durable plastic material, which enhances the product`s longevity and performance. Specially designed channels and benching (foot rests) inside the manholes are crafted from sewage water-resistant polyester reinforced with fiberglass (PRFG). This design includes one channel dedicated to sewage water and another positioned at a different height for rainwater, optimizing the management of different water types. The use of PRFG ensures that the manholes can withstand severe conditions without degradation, maintaining structural integrity and functionality over long periods.