On 20/06/2018 08:17, Chris J Dixon wrote:
GB wrote:

Use a roller to apply the paint, then just brush it out with the brush.

+1

Chris


I just use a roller, and only use a paint brush for fiddly bits.

OP hasn't told us if the paint is water-based or solvent based,
which needs different types of brush.

Oil paint needs a good bristle brush, which are not good for
water-based paints and vice-versa.