My family is starting to build a house. We have pretty much settled
on Hardie board for the outside. The builder gave us an estimate of
$26,000 to paint the exterior (which seems high to me). Although we
found a color of Hardie board that we like, he says you still have to
paint it - a primer and two coats. He says that if you don't paint
it, the nails and caulk in the gap between the ends of the boards will
show.

How bad would it look if the nails and caulk aren't painted?
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