Any primer is going to seal the surface which is all the gesso is doing.
a Canvas the white board
You don't really need anything to bind acrylic to common painting surfaces. Acrylic paintings (non-alla prima) made on illustration board are often made by using a thin acrylic wash to fix a line drawing to the board. The painting is then built up in layers. The reason to gesso a stretched canvas is two-fold. One reason is to seal the surface, but the other is to secure and tighten the canvas upon the stretcher bars. Therefore, if working on canvas board, a thin acrylic wash will do you just fine.
There are different methods - the oldfashioned one, is to first stretch the canvas, glue it in with rabbitskin-glue, then put a gesso over it. Nowadays acrylic binder and gesso is much used, but this might not be a very durable procedure in the end (in house painting, everyone knows not to put oilbased paint over acrylic paint...). Adding caseine to the gesso can help.
A ground is a coating used to pepare a surface on which the paint is applied. In oil painting, it can typically be gesso (chalk or whitening in hide glue), white lead suspended in linseed oil or the more modern "acrylic gesso", which is not actually gesso but acrylic primer.
The makers of Golden Acrylic Gesso say,"No!" According to the National Gallery of Art in Washington D.C., traditional gounds should be used for oils.
a Canvas the white board
You don't really need anything to bind acrylic to common painting surfaces. Acrylic paintings (non-alla prima) made on illustration board are often made by using a thin acrylic wash to fix a line drawing to the board. The painting is then built up in layers. The reason to gesso a stretched canvas is two-fold. One reason is to seal the surface, but the other is to secure and tighten the canvas upon the stretcher bars. Therefore, if working on canvas board, a thin acrylic wash will do you just fine.
There are different methods - the oldfashioned one, is to first stretch the canvas, glue it in with rabbitskin-glue, then put a gesso over it. Nowadays acrylic binder and gesso is much used, but this might not be a very durable procedure in the end (in house painting, everyone knows not to put oilbased paint over acrylic paint...). Adding caseine to the gesso can help.
A ground is a coating used to pepare a surface on which the paint is applied. In oil painting, it can typically be gesso (chalk or whitening in hide glue), white lead suspended in linseed oil or the more modern "acrylic gesso", which is not actually gesso but acrylic primer.
The makers of Golden Acrylic Gesso say,"No!" According to the National Gallery of Art in Washington D.C., traditional gounds should be used for oils.
Yes, but you can also paint it on a gesso-primed canvas, or even on stretched paper. "universal primed' means: primed with gesso.
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Vinyl wallpaper is less than the best ground for painting. It is too flexible to guarantee a solid adhesion of the support layer (gesso). which puts the final product (painting) at risk for cracking and peeling.
If the board is just slightly warped, painting a coat or two of gesso on the back should help.
look for one that says gesso
white vinegar will dissolve acrylic (regular) gesso. Soak it, rub or if the fabric is not delicate a light tooth-brushing and it'll wash out. If it is delicate just work it gently after it soaks a while.
You want to use canvas to paint on. You can also (weird as it may sound) use smooth wood boards, as long as you use Gesso (a white paint) to 'prime' the board.