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Author Topic: Dilemma sealing back of painting....  (Read 1552 times)

Val

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on: March 24, 2015, 01:00:40 PM
 :surrender: Due to the high humidity we experience down in Carib... the framer is suggesting using plastic to seal the back of the (w/c) painting. I'm a bit hesitant about this due to the possibility of of the plastic sweating and causing condensation inside the framed painting. I know the normal way would be paper. The concern the framer had with the paper would be mildew growing on the backing paper. Any thoughts?  :help:
Cheers, Val

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ncwren

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Reply #1 on: March 24, 2015, 01:03:50 PM
Hopefully Robin will see this Val-I would wonder about the quick change in climate from where you are to your boat.

The only high humidity archival stuff I have read about use foam core backing with aluminum tape around the edges.
~Natalie

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Val

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Reply #2 on: March 24, 2015, 01:11:17 PM
That was my suggestion Natalie, foam core. Hadn't heard about the aluminum tape though. Thanks for that. I'll see what else pops up, I just feel very uneasy about the plastic.
Cheers, Val

”Creativity is allowing yourselves to make mistakes. Work on knowing which ones to keep!”

- Alvaro Castagnet


Annie.

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Reply #3 on: March 24, 2015, 01:40:29 PM
What would a thin layer of gesso, or white acrylics, do if painted on the back of the paper?  What does museum do to protect their painting, beside temp and humidity control?
Cheers, Annie
“We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.”    ― Plato


Bellarina

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Reply #4 on: March 25, 2015, 03:06:40 AM
As a professional archival picture framer, this is my advise.
Hanging glazed artwork in a boat that's used in high humidity
and temperature changes is a risk I wouldn't take myself nor would advise anyone.
If the art has value to you then DONT DO IT.
If I had a solution to your dilemma I'd be very wealthy.
Consider what museums do to preserve their precious expensive art.
They have means to apply constant temperature and humidity.
This is what's neccesary to prolong the life of the artwork.
In my opinion you'd be running a great risk.
But if you don't really care about your art piece than this is what I would try.

If the frame is wood then I would use a water sealer such as Thompsons water seal.
Then silicone the conservation UV acylic to the frame.
For the backing I'd use a conservation corrugated board.  And then I would run a bead
of silicone around the edge. 
Then I'd say a prayer and hope it works.  :2funny:
« Last Edit: March 25, 2015, 03:13:16 AM by Bellarina »
"Never stop Dreaming" 
Robin


Bellarina

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Reply #5 on: March 25, 2015, 03:20:04 AM
PS
You could always take a picture of the framed art and save it on your phone or computer.
Have a family member store your archival framed art in a home for safe keeping.  ;)
« Last Edit: March 25, 2015, 03:22:52 AM by Bellarina »
"Never stop Dreaming" 
Robin


Val

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Reply #6 on: March 25, 2015, 03:28:00 AM
 :eek: Thanks Robin. It wouldn't be kept up on a wall...I don't have one suitable!  ;D   Would probably be kept in the container with my other work and put out for displays/show. OR Maybe I'll be fortunate enough to sell it!

I think I may tell them to just go with the paper.... if I notice any change it will be easier to change up.  :-\ I think. ?
Cheers, Val

”Creativity is allowing yourselves to make mistakes. Work on knowing which ones to keep!”

- Alvaro Castagnet


Bellarina

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Reply #7 on: March 25, 2015, 03:49:04 AM
Sounds like a good plan Val.  Hope it sells quick.
"Never stop Dreaming" 
Robin


Annie.

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Reply #8 on: March 25, 2015, 04:44:36 AM
Bellarina,
So nice that you came to answer.  There used to be a long article, read long ago, on the website of the National Gallery of Canada, about conservation of painting on and off display.  I recall it was very elaborate, and really sounded complicated for me.  I read it because I wanted to know how concern I should be about protecting my daughter's acrylic paintings from sun damage.  Never found the answer beside 'don't put it in the sun', which is not much an option here.  The whole wall surface of the house is covered and half are exposed to strong South and West sun for 6 months of the year.  Humidity is the least of our problem.

On the other hand, and I cannot recall where this info originated from, someone recommended that I apply a thin layer of gesso on the back of her watercolor (very few of them) to 'protect the paper from decomposition over time.  I haven't done it, mostly because I had forgotten... but also I would think that I should be more worry about the pigments fading first.  Isn't the pigment more vulnerable in watercolor since the medium has evaporate then the same pigment 'glued' in plastic (acrylics)?

Val, the good think about humidity is that it hydrates away some of the wringles on the skin... I know, rather have dry skin and safe art  :'(
Cheers, Annie
“We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.”    ― Plato


Val

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Reply #9 on: March 25, 2015, 06:33:34 AM
Thanks Robin, it would be nice...

Still looking for more info. Will check out the gesso idea Annie. Thanks.

Who knew this was going to create so many problems?   :faint:
Cheers, Val

”Creativity is allowing yourselves to make mistakes. Work on knowing which ones to keep!”

- Alvaro Castagnet


Bellarina

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Reply #10 on: March 25, 2015, 07:05:52 AM
Annie, if your daughters original was not done on acid free paper
than you could use a product called
 Kylon-make it acid free
 An acid-free/archival-safe spray that slows the deterioration of paper.

Personally we have used this for newspaper clippings and such, but  we would never
alter the artist's original art work.  Unless of course it is the artist that wants it done.  :)

Val, sorry I misundertood your question.
Perhaps you could have the framer use bendable tabs for the backing.
That way you wouldn't have to store it in the frame.  Then when ashore for displaying,
you could easily pop in in.  Easy peezy.

"Never stop Dreaming" 
Robin


Val

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Reply #11 on: March 25, 2015, 08:27:35 AM
I like that idea Robin!  :)
Cheers, Val

”Creativity is allowing yourselves to make mistakes. Work on knowing which ones to keep!”

- Alvaro Castagnet


scouserl41

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Reply #12 on: March 25, 2015, 08:33:48 AM
Val,
As you are storing it in a container could you get one with a sealable lid (Like Tupperware) and add a bag of silica gel to keep it dry in there? As a yachtsman you probably know about silica gel?
Brian
Don't draw more in the morning than you can erase in the afternoon (Old Draughtsman's saying)


Annie.

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Reply #13 on: August 02, 2015, 07:00:47 PM
Hi Bellarina,
I have lost track of this forum, not flagged.  So sorry because I still don't know what to do.

My daughter paints mostly on cotton canvases, coated with gesso, and stretched on stretcher bars.

Her paintings are all over the house and many are exposed to the sun in the afternoon... unless I close all the curtains daily.   This is Canada, we like to soak any bit of sun we can get.   

Thanks, Annie
Cheers, Annie
“We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.”    ― Plato


 

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