First post, so apologies in advance if this doesn’t end up being post of the year.

We moved into a 1950’s California ranch a couple years ago. I’ve been doing or having done a variety of project, one of which was having the entire roof replaced earlier this year after a massive oak limb fell during a storm and badly damaged part of it (it all needed to be replaced in another year or so anyway). Okay so the living room has what I would call an exposed beam ceiling with exposed 6″ tongue and groove ceiling boards. Well it turns out that those exposed 6″ tongue-and-groove boards you can see from the inside are the actual roof decking planks. I’m certain of this because I can see the edge of the synthetic felt right on top of these boards around the skylights (there are 3) as thy are not trimmed-in very well yet (it’s on the list). So this room getting much hotter in the summer and is colder in the winter than the entire rest of the house (which has attic space that I bulked-up the insulation in big time).

With a recently replaced roof doing anything from the outside is out of the question. I’m wondering if anyone has ideas for what options I would have for getting the ceiling/roof better insulated. We are willing to lose the tongue and groove appearance, but would prefer and not cover over the beams (I don’t know the correct vocabulary sorry) completely. The “rafter beams” that the planks sit on are 5-1/2″ square (as info). I presume that controlling moisture movement between the living space and the roofing planks will have a role in determining what we end up using to decrease heat exchange.

If you’ve made it this far – thanks.

Best,
Bill