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Author Topic: Gesso on Canvas  (Read 1536 times)

shweta

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on: July 30, 2014, 10:32:38 PM
Hello,


I painted a canvas with oil and then applied Acraylic Gesso on it  to .


Now can I use Oil color for  painting on it  or have to use Acralic ?


Shweta


ncwren

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Reply #1 on: July 31, 2014, 05:52:49 AM
Hi Shweta
Oil on acrylic is ok   O0
Acrylic on Oil no  :thumbdown:
~Natalie

Be an encourager. The world has plenty of critics already. ~Dave Willis


nolan

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Reply #2 on: July 31, 2014, 01:40:27 PM
unfortunately you have destroyed that canvas now Shweta, you cannot paint acrylic over oil, including gesso. :'(


shweta

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Reply #3 on: July 31, 2014, 09:03:37 PM
Ohhh sad ,  :( :( :( :(
 >:( >:( >:( >:(  on my self


 :o :o :o :o


Can I use that as rough canvas for oil ?


Germa

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Reply #4 on: July 31, 2014, 11:59:32 PM
No, it really is destroyed.
You could paint on it, with oils or acrylics, maybe it will be your masterpiece, and than watch how it peels and cracks of your canvas in no time...
Gesso on oil is a no go...


nolan

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Reply #5 on: August 01, 2014, 02:53:37 PM
the only thing you can do now is try and sand the canvas down to get rid of the gesso, but it is still a bit risky. Best to just use this canvas now for a practice painting


shweta

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Reply #6 on: August 01, 2014, 09:28:35 PM
Ok Got it now  :(


but 2 more question arise in my mind, sorry but help less for the question.


I am doing oil only .


1./ Is there any way to apply anything on painted canvas to use that again for other painting.
2./  or Any option for Acrylic gesso


May lynn

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Reply #7 on: August 01, 2014, 11:07:36 PM
 
Dear Shweta;

This is my understanding of:

New canvas:  Gesso

1.  acrylic gesso then paint with oil

2.  acrylic gesso then paint with acrylic paint

3.  acrylic gesso paint with acrylic paint than wait for
     it to dry thoroughly and then the acrylic painting can be
     painted over  with oils.   OK

4.  acrylic gesso, paint with oil and then over paint with acrylic a NO NO!!!

     Why?   because the oil paint underneath could take a year or more to dry
                and acrylic paints dries very quickly, you have now trapped the oil paint
                underneath, so it can't  breath to dry out. 
                Thus cracking/pealing may appeal.

This is my understanding of Oils, Acrylics and Gesso.   Hope this helps.

PS: if I am off base on this one I'd appreciate it if someone would chimes in with a better explanation.
 


Germa

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Reply #8 on: August 01, 2014, 11:40:43 PM
When you've painted with oils and want to reuse your canvas, you could cover the painting with white oil paint, I guess.

But, canvasses aren't that expensive, if I'm not happy with an oil painting, I keep the canvas as a reminder; it shows me what I still have to learn, or, when it's really horrible: dust bin...

Normally, when you buy stretched canvasses, you don't need the gesso at all, you can use it, but it's not really necessary.


shweta

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Reply #9 on: August 04, 2014, 03:35:48 AM
Ok got it .


 :thankyou:  All


stoney

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Reply #10 on: August 25, 2014, 12:19:11 PM
When you're working with a larger canvas that didn't turn out well there is a possibility.  If there's a section that did turn out well, it may be able to be salvaged and become a work on its own.  It might be able to be cut out to a usable framing size, which can be a custom size, and re-stretched and finished based on its merits.

A virtual color mixer might be of assistance. I couldn't test this link as Java is turned off in Ubuntu Linux and the documentation is for a different version and I've not been able to find the toggle.

http://painting.about.com/library/blpaint/blcolormixingpalette1.htm
« Last Edit: August 25, 2014, 12:25:57 PM by stoney »


thebryce

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Reply #11 on: August 25, 2014, 12:44:58 PM
Many people see the videos on youtube that show covering a canvas with a "ground" or a stain. That method is popular and works fine for many types of painting projects. Other videos show gesso being applied on to a board or a canvas to stop the surface from absorbing all of the paint and provide a workable and predictable texture. It can be confusing as to which order the gesso should be applied, especially since many store bought canvases are pregessoed and the videos leave out that step.
 1. Gesso the surface.
 2. Repeat the process until you have the desired texture and surface. Sand surface if necessary.
 3. Apply the stain or "ground" you want to work with 24 hours later.
 4. Erase errors on oil paintings using solvents or just paint over with oil paint.
 5. Erase errors on Acrylic paintings by using Acrylic paints.
 6. Gesso is an Acrylic medium and works well as a base coat with both Oil and Acrylic.
 Remember, acrylic over dry oil paint will seem to work at first but has no longevity.
« Last Edit: August 25, 2014, 12:47:53 PM by thebryce »
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Paulaj

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Reply #12 on: August 29, 2014, 08:37:36 AM
Stoney,

I just went to virtual color mixer.  I think it works great.  Until someone has their color mixing down to a science (which takes a while), it think this would really help.  I know I bookmarked :)
Paula


 

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