Add Yahoo as a preferred source to see more of our stories on Google. The average shiplap cost for a 200-square-foot room is $1,000, though a typical range is $500 to $1,700. Exterior shiplap can cost ...

A shiplap vaulted ceiling comes at a higher cost as well due to the height and difficulty of lifting and installing the boards while standing on scaffolding or ladders. Pro installers know how to ...