Carpet tiles in a circle

Discussion in 'Carpet Q&A' started by Jon Scanlan, Nov 6, 2010.

  1. Jon Scanlan

    Jon Scanlan That Kiwi Charter Member I Support TFP Senior Member

    Still reckon cutting against something solid works better.
    As mentioned earlier I had already thought about doing it my way so I took the MDF with me when I went to prep the floor. I will try CP's way for the glue line as I think that will be quicker than moving my MDF around as I would be doing only about 8 feet at a time
     
  2. Lo Down

    Lo Down Old as dirt member Charter Member Senior Member

    I can see that something rigid like what Jim showed would allow you to hold your knife against the end of it and use the custom made tool for the cut itself, not simply to mark the floor.

    Fasten a back piece to it and it can't wiggle around no matter if you push or pull as you are making the cut.
     

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  3. Daris Mulkin

    Daris Mulkin The One and Only Charter Member I Support TFP Senior Member

    I think Jim's method would also let you cut whatever is butting up to it also more exacting.

    Daris
     
  4. Lo Down

    Lo Down Old as dirt member Charter Member Senior Member

    If Jon had a way to lock the knife onto that stick, it could be quite accurate. I did something similar using flat bar as the radius tool and cutting a slot 1/2 way through one end to put the blade into. Extremely accurate, but I had a screw for a pivot point, not a post do deal with like Jon has.
     

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  5. Daris Mulkin

    Daris Mulkin The One and Only Charter Member I Support TFP Senior Member

    cut the 2x to the exact length and screw a top cutter to the end. I have just screwed a blade on the end of a piece of 1x once when trying to border a room that the corners were all radiuses. cut the longest first and then cut the board off for the shorter areas.

    Daris
     
  6. Omnipotent

    Omnipotent Flying Dutchman

    My dolphin knife has two holes in it, i can pull the rope in through one hole and back through the other. If the rope is not elastic and you knot it it the right place you can make a perfect cut.
     
  7. strip buster

    strip buster my way is the best way. Charter Member

    i would do like others suggested Jon an loop a string around pole(for ease and speed) or once u have ur radius measurements from pole knock in a few nails spaced 1m(1yd) in lengtharound radius and on inside of nails place on edge a long strip of 3mm ply(nails there to keep a true circle)...or like i did for this...pic below.....
    1 large 3mm sheet of ply and cut ur circle out( might have to cut in in sections pending on size of sheet) this method worked well for me when i hit the benches, the stand alone circle was so much easier.
     

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  8. Jon Scanlan

    Jon Scanlan That Kiwi Charter Member I Support TFP Senior Member

    At this stage the rest of the floor is polished concrete. I am putting a black plastic bevel strip around the carpet tiles. Later they will probually lay carpet tiles over the rest of the area.
     
  9. hookknife

    hookknife Hard Surface Installer Charter Member Senior Member

    Now here is someone who knows a good knife:)
     
  10. Darren Ramey

    Darren Ramey Charter Member I Support TFP

    I stole this trick from these very boards not to long ago (forget who's it was), it worked great on the round rug I made.

    I would dry lay the tiles away from the column and find the center. Now take a piece of flat metal, and mark the distance you need from the first nail hole. Cut about halfway through the metal at your mark, and nail it down. Now just put the blade of your knife in the slot you cut and run it around the circle. Piece of cake.
     
  11. Omnipotent

    Omnipotent Flying Dutchman

    Everyone in holland uses a dolphin knife, we cut everything with it. but most of them have just one hole in it.
     
  12. Omnipotent

    Omnipotent Flying Dutchman

    now how do you knot the piece of metal around the pile? you can't get to the center because that's where the pile is at.
     
  13. Jim McClain

    Jim McClain Owner/Founder Administrator

    He means "the pole."

    Sorry for the correction, Omni. Didn't want to confuse anyone since this is also about carpet and carpet does have a pile.
     
  14. Darren Ramey

    Darren Ramey Charter Member I Support TFP

    That's why I said to dry lay the tiles away from the pole.
     
  15. Jon Scanlan

    Jon Scanlan That Kiwi Charter Member I Support TFP Senior Member

    I will probably make a pattern around the column to align up the tiles to get them square but then again once I have my square line I might spread the glue and free hand around the column hoping they join up on the otherside. Haven't thought that far yet Maybe doing it next week now
     
  16. mcbrides

    mcbrides Canadian Installers Senior Member

    Jon,

    I believe the rope method would be your best bet for marking your radius. Rather than use vinyl reducer, can you use cap & channel instead? Install the track first, then cut your perimeter tiles to it.
    Deb
     
  17. Omnipotent

    Omnipotent Flying Dutchman

    i just used a translating machine. a ditch is a river but then small one. and the rampart is the side of the river.
     
  18. twomly

    twomly Pro Member

    I'd use CP's method but ditch the rope and string then get some brake cable strip the lining pull the cable out loop it round the colum clamp the loose ends in a chock block and now you have your compass which will not stretch or go out of shape. You can even feed it through your dolphin knife like Omni suggested and then chock block it and chock block both sides of the knife to keep the knife in unison with the radius.

    Twomly
     
  19. Jon Scanlan

    Jon Scanlan That Kiwi Charter Member I Support TFP Senior Member

    Finally got to this job today Everybody that suggested string of similar were wrong These carpet tiles had a stupid backing and very hard to cut. You needed something solid to cut against.

    This is what I did
     

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  20. cproader

    cproader All over T's last nerve Senior Member

    :eek:............:bow:
     
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