A split-level addition with our standard Beamed Exterior Wall System adds about 800 sq. ft. of new living space to this home in eastern New Hampshire. The lower level is about 400 sq. ft. with two bedrooms and a shared full bath under a flat ceiling/conventional floor system. Upstairs is the great room under a cathedral beamed roof system. Framing system description: https://www.postandbeam.com/package/specifications