Re: PVA vs RB Glue

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Re: PVA vs RB Glue

In Reply to: Re: PVA vs RB Glue posted by rob howard on 08/20/00 at 9:12 AM:

Thanks for your response. My idea is to paint a series of sketches on unmounted canvas and then mount only the ones that I want to keep. I prefer boards to stretcher bars. I'm not even sure if this is a good approach. Perhaps it is more important to have an adhesive with a reasonable working time than one that can be reversed. In other words, I want to be able to shift it into position before it sets. Would rabbit glue allow for this? Thanks again.

: >>>Glue would be the better adhesive if you wish to remove a canvas from a board as it can be loosened with water (steam). >>Robert Gamblin has suggested to me that an irreversible adhesive such as (acid free) PVA, acrylic, or casein be used to mount canvas on panel unless some circumstance is foreseen where it would be necessary to remove the canvas. >> For example, you glue a finished canvas on a panel and you later find that it isn't positioned properly, or you've developed air pockets<<<

: If you've developed air pockets or positioned it improperly, that will be apparent immediately. The canvas will not reposition itself during painting nor will air pockets suddenly appear. If one paints on a cockeyed canvas or air pockets they have forfeited all rights to worry about archival permanence. That's sloppy procedure.

: The thing to bear in mind is that all of this technical stuff is just VERY BASIC stuff that should take place BEFORE stroke number one goes on. None of this stuff is difficult to understand. An average student can understand most of it. One needs absolutely no artistic talent to be able to prepare perfect supports and grounds. That's grunt work that does not need an artist. Making mediums is something that can (and was) carried on by average working men, not even craftsmen.

: Being a garage mechanic is vastly more complicated than being a worker who prepares perfect canvases, gessos perfect boards and grinds perfect paints. Those are dull repetitive skills. So why do people make such a big deal about that stuff? Because, being dull eaisly mastered skills, they'd crow their mastery of them because mastery of applying the right color in the right spot is much more difficult to master. Rather than do the dull reptitive drawing exercises and paint sketches, the vast majority of poseurs would prefer to make the mechanical aspects of painting into some arcane preisthood.

: There are no secrets!
Re: PVA vs RB Glue rob howard Posted at: 08/20/00 (0)