Yes, or it will take a lot of paint due to the fact that the osb will soak it up.
The best waterproofing method for OSB (oriented strand board) is to apply a waterproof sealant or paint specifically designed for use on wood surfaces. This will help protect the OSB from moisture and prevent it from swelling or deteriorating over time.
The best primer for you will depend on your skin type and concerns. A good general option is a hydrating primer for dry skin, a mattifying primer for oily skin, or a blurring primer for minimizing pores and imperfections. It's always best to try samples or get recommendations from a makeup artist to find the best primer for your specific needs.
There is a brand of paint sold in most hardware outlets for painting plastic or vinyl . This paint does not need primer first. It is called Krylon Fusion.
Because OSB is porous I would use several coats of latex paint.
The best primer for plexiglass is one specifically designed for use on acrylic surfaces.
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.
It's always best (for the best quality) to paint with primer first, then your regular coat of paint. Let the primer dry sufficiently.
The best primer to use for concrete statues is a high-quality acrylic primer specifically designed for use on concrete surfaces.
The best primer to use for a metal door is a rust-inhibiting metal primer. This type of primer is specifically designed to prevent rust and provide a strong base for paint to adhere to. Make sure to clean and sand the door before applying the primer for best results.
Use Kilz Original, it's the best primer.
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.