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Cutting pipe insulation?

SteamedInWharton
SteamedInWharton Member Posts: 62
in Strictly Steam
When you have yellow fiberglass with the white outer jacket pipe insulation in 3 foot lengths, what's the easiest way to cut it to length? I have a miter box and saw, hacksaws, and even a reciprocating saw. What works best?
Steaming along slowly in Wharton, Morris County, NJ.

Comments

  • JeffM
    JeffM Member Posts: 182
    I use a cheap, sharp serrated kitchen knife. Get a few of them and toss them out as they get dull.
    KC_JonesChrisJSWEI
  • KC_Jones
    KC_Jones Member Posts: 5,796
    Same as above. I had a finely serrated knife that was terrible as a kitchen implement, but great for cutting the insulation. I also built a cheap plywood miter box to deal with the size of some of my insulation, I had some 3" piping to insulate with 1 1/2" insulation so the OD was 6 1/2". My regular miter box wasn't that tall.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
  • ChrisJ
    ChrisJ Member Posts: 16,231
    I too use a serrated steak knife.
    Nothing else works near as well.
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
  • hvacfreak2
    hvacfreak2 Member Posts: 500
    Hacksaw for me bros. Kitchen knives mentioned work well too.
    hvacfreak

    Mechanical Enthusiast

    Burnham MST 396 , 60 oz gauge , Tigerloop , Firomatic Check Valve , Mcdonnell Miller 67 lwco , Danfoss RA2k TRV's

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  • ChrisJ
    ChrisJ Member Posts: 16,231
    hvacfreak2 said:

    Hacksaw for me bros. Kitchen knives mentioned work well too.

    Ah ha!
    But you can't use a hacksaw to cut your steak during break!
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment

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