The Best Way to Wrap Hemp on Threaded Piping



In this video I show you the correct and best way to wrap hemp on threaded piping. I show you how to prepare the hemp, how to wrap it on the male thread of fittings, and how to tighten the female thread over the hemp so you can achieve a perfect seal in water piping. I also discuss mistakes made in many YouTube videos, wrapping it loose or wrapping it wet or unprotected. Following this technique you will achieve a perfect and long lasting seal.

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34 comments

  1. I watched all the videos about plumber thread sealing. I have a 6 circuits and 12 joints stainless steel hydraulic compensator that ate up my days. I couldn't get all connections without leaks. I tried all the methods, hemp, ptfe, loctite, dope, green stuff, red stuff, blue stuff, wax, etc. I then found this video. I took a tube of ordinary automotive grease from the car and hemp and i started to remake all 12 connections with no hops at all. At the end of work, miracle!! On the first attempt perfect seal, no flow at all. I put air at 6 bar absolutely no escape. For me, you are the only real plumber on this whole internet. May God give you health as you been a great help to me.

  2. Thanks, you helped me a lot. Specially how to prepare and apply hemp with paste/grease. I installed today my central heat radiator and have no leaks. Greetings from Estonia! 🙂

  3. Many thanks Sir, I finally solved my issue !

    I've never done this sort of work and I was soaking the hemp in water and just rolling it on the pipe before seeing this video. The result was that when I was turning on the water pump, it wasn't raising pressure. This is amazing content. Very thoroughly explained with lots of patience for detail.

  4. I was never happy with the outcome when I was hemping threads. They were always sealing tight, but the way I was doing it never gave me a nice esthetic effect. With your way Rod, it seems much more neat without any excess hemp sticking out! 🙂 Thanks for sharing your way. Definitely giving a thumb up to this video. Greetings from the old continent

  5. Thorough and most helpful video. This job appears to be simple, but it is very easy to mess up and if the job is not done properly a lot of time will be wasted. This video from Rod is worth watching to get it right first time. Thank you sir!

  6. Thank you very much Sir for the great explanation! As an amateur I feel like I can work on my piping like a pro now! And I like the use of natural old school materials! Well the proof of the pudding is in the eating so I will get started!

  7. I used to do PTFE seals but they always weeped. Eventually I gave a chance for hemp and haven't had a leak ever since 🤷

    Obviously plastic fittings still require ptfe, but I rarely have to work with those 🤷

  8. Thank you SO MUCH for this video!

    I am currently renovating my bathroom – first time ever doing plumbing – and i have been battling with leaks and teflon for days. Used this method and i had 0 leaks and everything is holding strong. Thank you so much for sharing this information!

  9. I've been trying to seal many pipes with teflon. Been disastrous for 2 weeks and retaping doesn't work. Did your method once and worked immediately. ZERO LEAKS. I also appreciate the science behind the hemp sealing.
    Many thanks for this! I wish you were my plumber 😀

  10. Welldone, I learned the correct way of threading fittings to pipes, ensuring no hemp slip and leak tight joint, and what was important was the explanation and reasons why steps are done in a particular way👌

  11. I think u r wrong. At least the grease is not there to protect hemp from rotting. Old joints have no grease left. The grease is only to help turning the threads more easily.

  12. I did 12 fittings following your recommendations and 0 of them leaked! I couldn't test them as they were all "one after the other" so only test I could do was after all were done, at the end. Very glad to have discovered this video clip and very pleased with the logical explanations (which actually helped me to understand what was happening). All in all, a gem for the DIY passionate. Thank you.

  13. I have a pipe thread from 1930 I might have to try this on. The pipe sealant won't keep a seepage, tried it twice. Maybe it was not dry enough, I don't know.

  14. hello Sir and thanks for the tips are very important …. a question please … if the threading of the components the hemp goes out can not mean that the hemp broke and moves out? ….. and still something as a question … I want to combine some pipes and elbows of 1.1 / 4 for a forged burner with forced air from what I saw on the net green paste is not recommended for LPG or OXYGEN …. oxygen I understood that it explodes with fat but at lpg why? …. I mention that high temperatures are only at the end of the assembly I want to make, and I can use welded joints at the end but the rest of the installation I want to combine it by threading for future adjustments or disassembly …. can you give me some advice?

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