A million thanks for this article! I never knew there existed a Flexible PVC pipe that\‘s available for underground lawn/irrigation use. In the years that have scouted for a possible DIY lawn irrigation project – I\’ve been always told to use the Poly(Hard) PVC pipes.
Like you, I am also an Engineer ( A Civil Engineer at that). In the 2 years that I\‘ve owned my house – I\’ve had to contend with dragging a hose and spending hours watering my lawn. With your "recipe" I am on my way to lawn watering bliss… I\‘ve just laid out my 1st circuit on my backyard (67\’x84\’) and I must say the "slotting" technique and use of the external spigot/faucet and the use of fewer (but strategic) placement of sprinkler heads really works.
I\‘ve suggested this "recipe" to some of my friends and I think it is spreading as the stock of PVC pipes in most of the Lowe\’s around my place have virtually ran out of stock.
Since the PVC Pipe is easy to work with, I am now planning to expand my system to include circuits for a mini herb-vegetable plot as well as my current and future clusters or trees, shrubbery and flowers.
Need I say – I have/will saved a lot of money? I was quoted $4500 for a Sprinkler system 3 weeks ago. With this DIY, I think I will go just a little over $700 including the timers…
Again, a million thanks!
I visited our local Lowes store today and an could not locate "Water Whiz flexible pvc". I did see 3/4 flex tubing, but it did not list it as pvc and it seemed a little thin. They have 50’, 100’ and even 400’ rolls. I tried 3/4 schedule 40 fittings on the end of the flex tubing for comparison and the coupling was too big.
What are the specs…Inside and outside dia, pressure ratings, etc.?
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