Supports

Hardboard/Massonite | Priplak | Forex

I use hardboard/Massonite but I also experimented with priplak and Forex

 

Hardboard/Massonite

 

After having sanded the oilcloth of the board, I do apply a coat of size on each side. I then repeat it a second time. It is important to let it dry on a flat surface and to isolate the board from the underneath surface with some paper in order to avoid the panel from getting stuck. Instead of going through all the gesso process, I just give two coats of size. As priming, I then give a first rough coat of egg Tempera using Emulsion A with a wide brush.

Size
Steps Ingredients Volumes & proportions
1 Rabbit skin glue in powder 70 g 1 cup
Cold water 1 liter 10 cups
2 Stir and Let soak into cold water during 12 hours    
3 warm up in a microwave oven or in a saucepan while stirring    

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Priplak

 

Priplak is polypropylene in sheet. It is available in different colors. It is used by folders manufacturer where you can get them from. I have been doing satisfying test by painting directly on the sanded surface.

Saponified Wax on Priplac Up the page

Forex

 

Forex panel is a kind of wood substitute made of lightly expanded closed cells of plastic material. It is available in different thickness and colors. According to the manufacturer, Alusuisse Airex AG, one must apply a coat of size called primer. I personally sand it and apply a caparol solution before a first coat of Egg Tempera Emulsion A paint with a wide brush.

Saponified wax painting on Forex - Egg Tempera on Forex

 

Hugues Delbergue

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