Exposed brick walls add an aged look to the place; however there are also homes that intentionally add brick touches to parts of the interiors. A lot of people like the look which they can achieve with exposed brick walls.
wall Modern living room with exposed painted brick walls "A family enlists Brooklyn design-build firm MADE to renovate a brownstone using surplus and salvaged materials for a budget-conscious patina. Photo by Matthew Williams.
Installing an Interior Brick Wall (aka: The 'warehouse' effect)