Complex sentence: It was built in the late-18th or early-19th century, and is a 1 1/2-story, rectangular log building sheathed in weatherboard with a standing seam metal gable roof.
Split into simpler sentences: It was built in the late-18th or early-19th century, and is a 1 1/2-story, rectangular log building. It is sheathed in weatherboard with a standing seam metal gable roof.