Atlantic Water Gardens Black RTV Silicone Sealant Concentrated James Hardie Board and Cement

James Hardie Board and Cement board sidings

It also works tremendously well when paired with aeration

This black rubber sealant is recommended for sealing pond liner to skimmers and waterfall boxes

industrial grade air pump

5" FPT socket and include 1

Atlantic Water Gardens Black RTV Silicone Sealant Concentrated James Hardie Board and CementAtlantic Water Gardens Black RTV Silicone Sealant is used to create a watertight seal where liner is attached to filtration components. Permanently flexible RTV silicone used in conjunction with Atlantic Water Gardens molded inserts, liner retention flanges and stainless steel hardware ensures a watertight connection every time.