How to mark out curves on material transition?

Discussion in 'Commercial Flooring Sales & Installation' started by Robert5084, Aug 8, 2018.

  1. Robert5084

    Robert5084 Pro Member

    I haven't had the opportunity to do curving lines at material transitions or in general, only circles until now. I have an upcoming job that requires a few curving transitions with same height material and I'm wondering if anybody has any methods that they can share.
    Here's a picture for reference
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  2. Daris Mulkin

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

    Use 1/2" pvc or flat metal on edge. Pvc will bend.

    :old:

    Daris
     
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  3. Jon Scanlan

    Jon Scanlan That Kiwi Charter Member I Support TFP Senior Member

    The conduct type electricians use are good as you can join them together then use an Armstrong type recesser to mark the second type of flooring on the join
    Unlike some layer I saw here trying to line up the tubes again to join the two different flooring types
     
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  4. Mike Antonetti

    Mike Antonetti I Support TFP Senior Member

    High quality rubber hose?
     
  5. Tom Potter

    Tom Potter I Support TFP

    Drink a 12 pack before you go. There won't be a straight line on the job.

    Jokes aside, you have to be creative. think outside the box. I have used 1/2" PVC & some blocks of 2x4 with great results. Hot melt the blocks strategically to hold your radius & make your mark.

    What materials will be transitioned?
     
  6. Mark Brown

    Mark Brown On The Surface Flooring I Support TFP

    Anytime i have "designer" lines... better know as the reason i hate designers, i make them give me the radius. Then i go down to my local fabricator and have templates made. Templates are cheap, time is expensive.
     
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  7. Mike Antonetti

    Mike Antonetti I Support TFP Senior Member

    Air hose, just throwing out ideas
     
  8. Wolff makes a circle / radius cutter/scriber. It'll do just over an 8' diameter circle / curve. Our guys around here do what Mark does and make metal templates for the wavy odd stuff like your picture.
     
  9. Erica

    Erica Pro Member

    We also send the drawings over to a shop who makes us metal templates.
     
  10. Mark Brown

    Mark Brown On The Surface Flooring I Support TFP

    you guys are upper crust... I get them made frim coraplast or whatever it's called. Dirt cheap... get two radius per piece one on the outer and one the inner.

    Did a 54' radius one day free hand... let's just say there is a reason I get templates made
     
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  11. Incognito

    Incognito No more Mr. Nice Guy! I Support TFP Senior Member

    It's fairly easy if you have specified radius measurements and fixed/hard dimensions on the blue prints. I've used felt paper to arc out the radius and then tranfer that line to the floor for glue and then overlay the paper for cutting the material. GENERALY though the sort of wobbly design I see in that photo is not a circle......it's oblong/oval and reacts to whatever the walls or corridor lines are doing.

    We also use PVC conduit for simpler stuff. When there's no hard dimensions on the plan we lay out the pipe roughly, draw lines on the floor and get the Big Shots to sign off on the layout before we cut anything.

    I saw a guy with some fancy schmantzy flexible rods about a year or so ago on a huge Medintech job with tons of circular/oval/radius designs. When he set the rods down where wanted he layed 2" blue tape along that line. Then they'd glue to the tape, overlay the good, tape over the tape and cut along that new tape line. It took forever and a day but was slicker than shit-----CLEAN. I meant to ask him where he got those contraptions but I was only there a few days near the end and he's gotten a job with the City.
     
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  12. Erica

    Erica Pro Member

    My installers have done the felt paper method for those instances with sheet vinyl as well - most of the stuff the designers are drawing around here these days is weird curves cut into plank LVT, argh! That is really where we have used the metal templates...it's pretty much a necessity.
     
  13. Mark Brown

    Mark Brown On The Surface Flooring I Support TFP

    making templates is all well and good for small radius curves, under 15 feet or so, I find it hard to be consistent with anything larger. Steel string and a scribe needle only get you so far.
     
  14. Direct carpets

    Direct carpets Pro Member

    10378160_10202620663504392_2782540644245477681_n.jpg 10479045_10202613490965083_2401646885639276652_n.jpg 10522520_10202614172782128_9092759350164564119_n.jpg 10523138_10202767610737981_4033770781282016262_n.jpg 10523872_10202613486604974_3674982250858744722_n.jpg 10552654_10202664681844823_6631582801520672063_n.jpg 10606033_10202613479244790_8655116803067715220_n.jpg 10612893_10202781441363738_114353484310690111_n.jpg 10616027_10202620665304437_288034806738604858_n.jpg 15591625_10208163673036166_1728985209421443854_o.jpg 15697464_10208163674956214_2708158301733566121_n.jpg 15723711_10208163671996140_3268248884904017734_o.jpg

    I use insert metal. (From a snap track transition) On edge. I rivet 2 or 3 lengths together. The longer it is the more flexible smooth the curve will be. If you look at the 7th photo you can see the metal transistion riveted together to make the curves (Near the broom)
     
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  15. Tom Potter

    Tom Potter I Support TFP

    The snap track is a great idea. Going to have to put that in my bag o tricks
     
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