Author Topic: covering/sealing sinew backs  (Read 4946 times)

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Offline jeffp51

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covering/sealing sinew backs
« on: March 20, 2015, 01:01:13 am »
What are some ways to seal/ protect a sinew backing?  snakeskin is one, I know.  Are there any others?  What happens if you put tung oil or tru oil or polyeurethane on it?  The bow is juniper--if it makes it to being a bow.  the sinew has been curing for almost a month, and soon I will start working on it again.

Offline wizardgoat

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Re: covering/sealing sinew backs
« Reply #1 on: March 20, 2015, 01:16:28 am »
Tung oil or tru oil is fine, although it's a glossy finish

mikekeswick

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Re: covering/sealing sinew backs
« Reply #2 on: March 20, 2015, 03:38:56 am »
Just remember that you can't totally 'seal' it,just slow down moisture transfer. Tung oil will work well.

Offline PEARL DRUMS

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Re: covering/sealing sinew backs
« Reply #3 on: March 20, 2015, 07:35:12 am »
Shellac is a great base coat under the tung oil or tru oil.
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize we cannot eat money.

Offline PatM

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Re: covering/sealing sinew backs
« Reply #4 on: March 20, 2015, 08:15:47 am »
Birchbark with extra finish of choice on top of the bark.

Offline Pat B

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Re: covering/sealing sinew backs
« Reply #5 on: March 20, 2015, 08:52:15 am »
I've used Tru-Oil, poly and TBIII over sinew as a sealer and over snake skins covering sinew. I use satin poly over Tru-Oil to cut the shine of Tru-Oil.
Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline bubby

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Re: covering/sealing sinew backs
« Reply #6 on: March 20, 2015, 10:23:01 am »
Rawhide works great and is easy to paint designs on or stain
failure is an option, everyone fails, it's how you handle it that matters.
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Offline bradsmith2010

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Re: covering/sealing sinew backs
« Reply #7 on: March 20, 2015, 01:44:42 pm »
i have used sealer as mentioned above,, and I have painted with acrylic,, and then sprayed with poly,,I think painting gives you a very durable barrier,,,for example if you have tung oil as a finish on a bow,, in hard use,, it will need to be refreshed,, but a good paint job will last for years,,

Offline jeffp51

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Re: covering/sealing sinew backs
« Reply #8 on: March 20, 2015, 05:46:42 pm »
I am trying to decide what will look "right" for the style.  I am not trying to make a replica bow, but the Utah juniper needs a finish that will compliment it properly.  If I were to paint something, it would be very minimal.  I love that birch bark--but it seems to be an eastern style.  I love the suggestions.  I still have some time to think. . .

Offline bradsmith2010

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Re: covering/sealing sinew backs
« Reply #9 on: March 20, 2015, 06:04:38 pm »
well really hard to go wrong with a poly finish,, satin,,,still shows the beauty of the sinew and wood,, I have painted sinew a very neutral color as well,, just depends on how much bad weather you expect to use it in,, I hunted in the rain alot in texas,, so the look was secondary to keeping the sinew dry( i painted the whole bow so there was no seam for water to get in,,,,,but if I was just using in fair weather,,, I would go with what looked the best for sure,, i  just finished a bow for a friend,, and I used archival varnish for oil painting,, on the sinew,, whew that looked nice,, but I dont think it would hold up to bad weather,, it did have uv protection  :)

Offline Carson (CMB)

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Re: covering/sealing sinew backs
« Reply #10 on: March 20, 2015, 07:39:46 pm »
I haven't tried it yet, but heavily smoking it, might do well for providing some moisture resistance in combination with another finish.

+1 for shellac as base coat over the sinew.
"The bow is the old first lyre,
the mono chord, the initial rune of fine art
The humanities grew out from archery as a flower from a seed
No sooner did the soft, sweet note of the bow-string charm the ear of genius than music was born, and from music came poetry and painting and..." Maurice Thompso

Offline JoJoDapyro

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Re: covering/sealing sinew backs
« Reply #11 on: March 21, 2015, 10:57:58 am »
How about beeswax and lard?
If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.

Offline crooketarrow

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Re: covering/sealing sinew backs
« Reply #12 on: March 21, 2015, 11:33:35 am »
  Wax is what I seal my personal bows with. I've also covered 3 sinewed bows with wax one with bear grease. What I like about wax every year I redo the wax. I have a new looking bow each time.

  I also once cover the sinew with cut turtle scales.
  LOOKED KINDA PRIMITIVE,LOOKED GOOD
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Offline jeffp51

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Re: covering/sealing sinew backs
« Reply #13 on: March 21, 2015, 08:20:05 pm »
I like the beeswax idea.  Also, what happens if you sand the stuff?  what grit should be used if it works?  My sinewing job is not as pretty as some I have seen here.  I am still new to much of this.

Offline JoJoDapyro

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Re: covering/sealing sinew backs
« Reply #14 on: March 21, 2015, 08:38:16 pm »
I wouldn't sand it too much Jeff. Mine isn't smooth either. Maybe with time we will get there.  ;) the stuff I made today seems to be pretty sweet. 3 parts olive oil one part wax. My hands are so smooth now. Lol
If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.