Ordering, installation, and specification guidance for precast plants, contractors, and specifying engineers working with watertight pipe-to-manhole connections. These guides are built from the same procedures and dimensional data our own team works from every day, so the material you order is right the first time and installs correctly on site.
Guides
Ordering and Installation
How to specify, order, install, and verify A-LOK connectors and accessories. New guides publish here as they are completed.
Specifications & Reference
Technical Library
Dimensional Data SheetsConnector and mandrel part numbers, correct inside dimensions, and matching mandrel I.D. for every pipe size and type.→Frequently Asked QuestionsAnswers to the questions our technical team fields most often.→Installation VideosConnector installation and product handling on real precast structures.→
Not finding the answer you need?
Whether it is a sizing question, an unusual pipe profile, or a structure detail that does not match the standard options, our technical team works from these same questions every day.