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Is it possible to fix a leak in PP-R piping by injecting some type of substance?

I have a central heating system based on PP-R piping and radiators. The PP-R piping goes under the floor. The problem is that the pressure is droping 0.2 atm / week and I am sure there's a leak ...
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419 views

Waterproof seal between two submersed pipes

I have an odd problem. Essentially I am working on fabricating a connection between two fiberglass pipes that are intended to be submerged underwater (depth 30ft). No water should make it inside of ...