Smooth & Rough/Gloss & Flat
-Generally speaking, the longer the pile height the coarser is the finish and the shorter the pile the finer is the finish. (Velour's for large area, foam for small area) ( High Pile Polyester for Coarse wall )
Very adhesive to Normal adhesion
-The finer the material to be painted the more adhesive the paint becomes. To adhere to the fine material. The more adhesive the paint,the more tougher the paint roller material should be. Up to lint free status. (Good to best = Polyester, Acrylic, Polyamide, Nylon, Sheep Skin) ( Velour's & Microfiber is on another category)
Speed, Speed, Speed - Paint Pick Up / Longer Lasting Performance
- Now we also should consider speed and durability,specially when we are painting larger areas, so paint exchange should be good. This is where Microfiber comes in number one followed by Polyamide, Acrylic then Polyester.