Water Activated Fiberglass Plumbing Pipe Repair Wrap works on virtually every type of plumbing pipe or hose made of copper, rubber, plastic, fiberglass, PVC pipe, galvanized and concrete.  Flexible Couplings – for sewer, drain, waste, plumbing and pipe venting connections.  Flexible Couplings are used for all types of in-house plumbing, sewer and drain applications such as: drain waste, plumbing repairs, vent piping, house-to-main, cut-ins, conductor and roof drains and increasers-reducers. Seals any sewer and drain pipe material. Shielded Couplings allows transition pipe connections that are resistant to shear forces.