What is a roller cover?
A paint roller or roller cover is a paint application tool used for painting large flat surfaces rapidly and efficiently. The paint roller typically consists of two parts: a "roller frame," and a "roller cover." The roller cover absorbs the paint and transfers it to the painted surface, the roller frame attaches to the roller cover, allowing it to roll.
Can you reuse roller covers?
With roller covers, you can extend their life over several jobs without compromising quality. A quality roller should last up to 5 cycles before shedding. You can reuse it without affecting the quality of the paint application and over time it will end up paying for itself.
What does NAP mean in paint rollers?
�Paint Roller Cover Thickness�. The thickness of roller covers is called the nap or pile. A rule of thumb holds that the rougher the painting surface, the thicker the nap you should use.
Why does my paint roller slide instead of roll?
You'll know immediately when you've overloaded the roller. It will drip en route to the wall and have a tendency to slide and smear instead of rolling across the surface... On walls, that means the first stroke should be up. If you roll down on the first stroke, the paint may puddle under the roller and run down the wall.
Why do I get roller marks when painting?
Roller marks are exactly what they sound like, evidence of where the painter used the roller brush. They are often caused by a painter putting the second coat of paint on the wall before the first coat has completely dried... Move slowly, and don't be afraid to use more paint.