Yes, or it will take a lot of paint due to the fact that the osb will soak it up.
You might try painting it first.
OSB stands for oriented strand board. It is made of wood strands and waterproof adhesives. The strength of OSB board is equal to that of plywood.
Open celled foam must be sealed prior to painting. The seal is a simple mixture of white glue thinned with water and brushed on.
If someone wanted to purchase an OSB there are a variety of places where someone can do so. Some of these places are Calibex, Fordaq and cheap osb and nsbe.
Yes
Calligraphy, painting, and seal carving
OSB
I NEED THE WEIGHT OF 7/16 OSB PLYWOOD One sheet will weight 47 lbs.price
17.5kg
52
OSB - Order of Saint Benedict