Predl provides detailed professional drawings (below) specifying the full range of watertight sealing solutions for joints between concrete manhole risers and Predl Liner joints. These drawings include the methods of sealing transitions at the first manhole joint between an FRP Base Liner and PP-R Wall Liner and the joints between concrete manhole risers and Predl liner joints. As well, various Turnback and Cap Strip joint options are illustrated, inside and outside the manhole, for transitions between different bases, risers, cone and top sections of the manhole structure.
