[alt-photo] Re: applying PVA size

[Paul Viapiano]

Keith...

Are you using it on paper or on your prepared wood-gesso-marble-dust 
supports?

Paul



----- Original Message ----- 
From: "Keith Gerling" <keith.gerling at gmail.com>
To: <kerik at kerik.com>; "The alternative photographic processes mailing list" 
<alt-photo-process-list at lists.altphotolist.org>
Sent: Thursday, March 04, 2010 9:32 AM
Subject: [alt-photo] Re: applying PVA size


> I've been using Gamblin PVA size this winter (on days it is warm enough to
> work!).  But I hate the shine and will go back to gluted gelatin once it
> gets warm enough (to open windows and so the gelatin doesn't set up so
> fast).
>
> I found that the 4 inch Whizz rollers from Lowes are ideal for use in
> coating.
>
> On Thu, Mar 4, 2010 at 11:15 AM, Kerik <kerik at kerik.com> wrote:
>
>> I've just started using Gamblin PVA size this week. For the most part I
>> like the results, although it's a close second to gelatin for me. It's
>> much easier, quicker and healthier than dealing with gelatin and
>> formaldehyde for sure! I've found it's been a little more susceptible to
>> staining than gelatin. I'm using it for gum over palladium and it's only
>> been an issue in even toned, smooth areas and only occasionally. Not a
>> deal breaker and I'm sure I'll be able to work it out. I'm using it
>> diluted 1:1 on Artistico Extra White. I apply it with an acrylic coating
>> rod (similar to a Puddle Pusher but home-made and unbreakable) on prints
>> up to 17 inches square.
>>
>> I'm preparing for Fotofest (Amy, I'll be in touch!) and this approach has
>> helped streamline my process.
>>
>> Kerik
>> www.kerik.com
>>
>>
>> > Henry,
>> >
>> > I use just a regular old cheap brush for coating the PVA.  You can
>> > wash it as soon as you use it, but  I tend to use one or two brushes,
>> > different sizes, that I dedicate to PVA use-- and not use them for
>> > anything else.  Even though it's easily washed out, I find it does
>> > change the softness of the brush.  And I definitely wouldn't use a
>> > brush as expensive as the Richeson for this.
>> >
>> >   I use it straight, no dilution at all, but it is a very thin coat I
>> > put down. Seems to work really well for me-- no problems at all.
>> > Others dilute.  That may also depend on the paper.  I tend to use only
>> > BFK Rives.
>> >
>> > I think you'll really like it.  And I always feel like I need to thank
>> > Jim Larimer for being the first here to talk about using PVA for gum
>> > printing.  It's really been so much easier and more convenient to use,
>> > not to mention offering better results. :)
>> >
>> > Diana
>> >
>> >
>> > On Mar 4, 2010, at 7:45 AM, Henry Rattle wrote:
>> >
>> >> I've just acquired some Gamblin PVA size for my gum printing (thank
>> >> you John
>> >> B for alerting us to Stuart R Stevenson as UK supplier - as you say,
>> >> he is
>> >> most helpful). Now quite excited at the possibility of preparing a
>> >> sheet or
>> >> two of paper as I go, rather than batch-processing with hot gelatine
>> >> solutions, formalin etc.
>> >>
>> >> I'm a bit nervous of using my precious Richeson brush for PVA. Have
>> >> those of
>> >> you who are using PVA size for gum any advice re suitable brushes and
>> >> dilutions?
>> >>
>> >> Many thanks
>> >>
>> >> Henry
>> >>
>> >>
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>>
>>
>> --
>> Kerik
>> www.kerik.com
>>
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