Just as paint brush bristle type is dependent on type of paint used, the same applies to roller naps. + Nylon and wool blend naps are to be used with alkyd paints. + Nylon only naps are required for latex paint usage. Nap length (thickness of fuzzy stuff) + Use a shorter nap for

glossier and smoother surfaces. + Long roller naps are better for textured surfaces where you need better coverage like brick and stucco. + Plastic nap cores are of higher quality than cardboard and don’t lose their shape and can be used repeatedly.

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Pick the Right Paint Roller Nap