How to: Fix your leaking stopcock – repair dripping water

In this episode Roger repairs an old leaky stopcock with some PTFE tape. A simple solution to one of the most common problems any plumber will encounter.

Fix that dripping mains stopcock in under 5 minutes.

About Roger Bisby

Roger Bisby
Roger Bisby is an English television presenter and journalist, known for his expertise in the British building industry.


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    Roger, thanks so much for this – it appeared the dat after my mate’s stop was leaking. All I did was tighten the gland nut – it stopped the leak but made the tap difficult to turn. I shall be returning in due course with my PTFE!
    Love your videos and your style – many thanks again.

  2. Avatar
    Lee Derbyshire

    Nice clear video. I’ve tried to undo the gland nut on our stopcock, and it’s very tight. No surprises there, but the supply pipe into the house seems to be a plastic pipe. It’s a thick pipe, but I can see it flex a little as I try to turn the nut. If the pipe breaks, it will be fairly catastrophic 🙂 I know this is a difficult question to answer without seeing the thing, but have you ever known a plastic mains pipe to break as a result of trying to turn a stiff gland nut?

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