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- Concrete Manhole Adapters (CMA) are flexible enough to permit lateral pipe movement without destroying seal integrity. It is additionally useful for pipe to which concrete will not adhere, such as plastic pipe.
Fernco® Concrete Manhole Adapter, For Use With: Plastic Pipe, 4 in, Elastomeric PVC
- Made of elastomeric PVC
- CMA's are subjected to many various conditions that are beyond the manufacturers control, such as high ground water tables, quality of grout, workmanship and field conditions that can affect its sealing ability
- Discretion must be used in its application and installation
- Due to the varying factors that can influence the CMA's effectiveness as a seal, Fernco does not warrant this product as a positive water seal
- Corrosion proof and is unaffected by acid or alkali
- Engineered to stop leaks around pipe penetrating manhole walls
- MaterialElastomeric PVCSpecifications4 inSuitable For Use WithPlastic PipeManufacturerFerncoManufacturer #4CMA