My brother in law has a nice, big covered patio with a really high roof. If the rafters were covered, I think it would be a 10' ceiling -- with the rafters open, it's really high. (By exposed rafters ...

Having an open ceiling to reveal rafters makes for a dramatic effect, but the ugly insulation batts ruin the look. An alternative to drywall that looks great in a workshop is to cover the insulation ...