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Discuss Plastic Pipe Cutter? in the Plumbing Tools area at

  1. Pete E

    Pete E New Member

    Just wondering what the best way of cutting PVC overflow pipe is?

    I was looking at getting one of the ratchet cutters, but quite a few say they are not suitable for thin walled PVC pipe such as used for overflows?
  2. scott_d

    scott_d Plumber GSR Top Contributor!!

    Normal puahfit pipe cutters work for me. Just twist as you cut so you don't crush the pipe
    • Agree Agree x 1
  3. Pete E

    Pete E New Member

    Sorry for being obtuse, do you have l link to something suitable?
  4. scott_d

    scott_d Plumber GSR Top Contributor!!

  5. Pete E

    Pete E New Member

    Thanks, will look for something similar that can cope with 40mm waste pipe...
  6. scott_d

    scott_d Plumber GSR Top Contributor!!

    I like the pipe slices for waste pipe
  7. Ric2013

    Ric2013 Plumber Top Contributor!!

    Waste pipe pipe slices are good. But unless you are doing this professionally and need to be really quick, a fine tenon/panel saw and file or deburrer to bevel the edges is fine.
  8. Pete E

    Pete E New Member

    Thanks Gents...I think I will go down the tenon saw route as I only have a few cuts to make...My only concern was getting the cut square, but I think I should be ok if I take my time..
  9. steadyon

    steadyon Active Member

    Probably teaching egg sucking, but just in case:
    1. Get a piece of A4 paper, fold down centre of long edge.
    2. Mark where cut is going to be.
    3. Wrap folded edge of paper (which will be straight) around pipe, pinch end with fingers and align with mark.
    4. Draw round pipe where edge of paper touches. Should give you a straight line round the circumference.
    5. Cut 1/2 way through, rotating pipe as cut deepens.
    6. Go back and cut again, all the way through.
    7. Use a Stanley knife blade to chamfer inside and out and bevel outside.
    • Agree Agree x 1
  10. Pete E

    Pete E New Member

    In the past, I have used a split piece of polypipe with a known square cut end to do similar, but I can see using the paper would let me mark up pipe "insitu" so thanks for that..

    The back story to all this is that I had a plumber out to sort an issue with a leaking down stairs loo (which he did) and while in the bathroom, I mentioned the waste from the basin would occasionally leak...

    He had a tinker during which he loosened the waste pipe off before fixing it again.

    The pipe goes from the trap below the basin out through the exterior wall and then drops vertically a foot or so into another waste pipe.

    Somehow while twisting tightening the pipe inside the house, a joint out side has failed, and pipe is no longer in the correct alignment to fit back in...

    To compound this, outside the house there seems to be two slightly different size of waste pipe involved, one being glued and the other a push fit and it looks like the joint that failed was the one where they were botched together, probably during the original install...

    Given the internal pipe is glued, I need to basically strip it out and start again otherwise I am going to end up with a jigsaw effect of different joints and bits of pipe..
    • Dislike Dislike x 1
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