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  1. #1
    Join Date
    Sep 2004
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    Bergen County, NJ
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    Default Quick way to cut Dentil from 1x4?

    I've been asked to replace rotted wood exterior dentil molding (approx 20 l.f.) with PVC.

    Fypon does not have a profile that matches the existing wood profile.

    It looks to me that the original installer may have actually cut this stuff from a 1x4 on site back in the 60's.

    The recesses are 1-3/8" wide and are 15/16" deep. It's not rocket science to cut in theory, but I cannot contemplate how to make the cuts with tools I have on hand.

    Any ideas???

  2. #2
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    Portland, ME
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    Default Re: Quick way to cut Dentil from 1x4?

    Dado blade, crosscut sled, stops. It's a lot to cut but since it's PVC you wont have to worry about it splitting.

  3. #3
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Dancing Dan View Post
    Dado blade, crosscut sled, stops. It's a lot to cut but since it's PVC you wont have to worry about it splitting.
    Dan, that was my first thought, but can you imagine trying to crosscut AZEK, in all it's floppiness on a table saw?????

  4. #4
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    Default Re: Quick way to cut Dentil from 1x4?

    Probably easier to do with a radial arm saw and/or a sliding compound miter saw or a router mounted on a rail.

  5. #5
    Join Date
    Jan 2007
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    Essex, MA
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Dancing Dan View Post
    Dado blade, crosscut sled, stops. It's a lot to cut but since it's PVC you wont have to worry about it splitting.

    yup...that or a radial arm saw.


    How high up is it? If it's high and hard to see.....use a jig saw???
    http://www.putfile.com/jeffaah/images/107329

  6. #6
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Greg Di View Post
    Dan, that was my first thought, but can you imagine trying to crosscut AZEK, in all it's floppiness on a table saw?????
    Could you clamp something to it to stiffen it up? Set up some outfeed tables?

    A radial arm saw would certainly be easier, but I'm assuming you don't have one, at least not on site.

    Don't know how well a router would work.

  7. #7
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Dancing Dan View Post
    Could you clamp something to it to stiffen it up? Set up some outfeed tables?

    A radial arm saw would certainly be easier, but I'm assuming you don't have one, at least not on site.

    Don't know how well a router would work.
    Don't have a radial arm saw. ;(

    I don't see how a router could work. It would radius the corners unless I routed it on edge which seems tricky, dicey, and difficult at best.

    I can't fathom sitting there with a jigsaw. All those 90º corners to cut...yikes....

  8. #8
    Join Date
    Jun 2004
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    San Diego
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    Default Re: Quick way to cut Dentil from 1x4?

    Greg,

    What about roughing it in on the slider in 6 or 8 or even 10 foot pieces, then clamping a couple together and doing a cleanup run with a router just for the bottom of the notches? That way you get nice, square sides and a nice flat bottom, without having to balance the router on the edge of a single piece. You could use a long flush trimmer so you don't booger up the sides. You could even gang cut the notches on the slider as well...

    - Kit

  9. #9
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    Default Re: Quick way to cut Dentil from 1x4?

    greg

    i like the router idea too. as for the curved corners your going to have to clean up the ones from any type of saw too - if your not cutting all the way through.

    what i would try to see if you can cut it vertically with a miter saw or long router bit. maybe gang a bunch of boards together and clamp them so you can make less cuts and have it self support it better. vertical cutting with a router would be the way to go but finding a long bit may become the problem.

    just an idea... what about trying to use two pieces of 1/2, 3/4, or 4/4 Azek make your teeth out of one sheet then glue and that to the other sheet.

    what about using the prazi... serously just KIDDING!!! do not try that ;-)
    -Sal
    ___________________________
    BSA Renovations
    Bergen County NJ's Custom Carpentry and Renovation Service
    www.BSA-Reno.com

    Handyman - Flooring - Built-Ins & Custom Carpentry - Porch Renovation

  10. #10
    Join Date
    Jun 2004
    Location
    Clifton, NJ
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    Default Re: Quick way to cut Dentil from 1x4?

    How about making a jig to guide a circ saw and cutting like a box joint in reverse. The stock and sled are stationary and the saw moves.
    L shaped piece to stiffen stock and an inverted U with side guides to limit lateral width of cuts, fits over top. Index marks or pins for consistency.
    Would draw it but not technically proficient.
    SteveC
    The improbable takes time, the impossible takes a little longer.

  11. #11
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    Default Re: Quick way to cut Dentil from 1x4?

    After all this, I'm having an Azek mill shop make the molding for me. Only $145. Totally worth it.

    Thanks!

  12. #12
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    Default Re: Quick way to cut Dentil from 1x4?

    Greg,,

    Please post a pic of the old and new.

  13. #13
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Kgphoto View Post
    Greg,,

    Please post a pic of the old and new.
    Will do...you just reminded me to contact the client.

    Thanks!

  14. #14
    Join Date
    Jun 2004
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    Holly Springs, GA
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    Default Re: Quick way to cut Dentil from 1x4?

    I dunno...... sounds like somebody needs a Kapex to make those dados......lol

  15. #15
    Join Date
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    Default Re: Quick way to cut Dentil from 1x4?

    Quote Originally Posted by Greg Di View Post
    After all this, I'm having an Azek mill shop make the molding for me. Only $145. Totally worth it.

    Thanks!
    smart move...
    -Sal
    ___________________________
    BSA Renovations
    Bergen County NJ's Custom Carpentry and Renovation Service
    www.BSA-Reno.com

    Handyman - Flooring - Built-Ins & Custom Carpentry - Porch Renovation

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