Once all of the insulation and drainage systems are moved outside of the framing, we no longer need cavity insulation. That means that we don’t have to add drywall to every surface. In this house, we decided to sheath first with a layer of boards before installing the OSB shear panels. This left the board sheathing and all of the wall and roof framing exposed on the interior (1); to finish it we painted it white. You might not want to leave everything exposed like this, but it gives you the option to create some variety with the interior finishes.
We used this wall and roof system and exposed framing in a recent remodeling job as well. Looking up into the attic, we discovered that the roof was framed chalet-style, with large timber rafters and 4x6 double-toungue-and-groove car deck sheathing. In this case, we exposed the roof framing to create an interesting vaulted interior that included clerestory windwos (2).
In both cases, it made us think about how we did the framing. Where the framing would be exposed, we had to figure out how to frame it in a way that looked good but didn’t triple the budget. In most cases — as with the exposed X--bracing (3) — it boiled down to being careful with our cuts and our fasteners, and trying not to ding the framing material too much.
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