Architect Alex Gil and his wife, Claudia DeSimio, affixed a 750-square-foot addition to the roof of a 19th-century Williamsburg townhouse, transforming their cramped third-floor apartment into a modern duplex. The original fireplace remains, but has been stripped down to exposed brick, as have the surrounding walls, creating an almost wainscot-like design of exposed brick with flat white drywall above.  Photo 8 of 66 in 66 Outstanding Fireplace Designs for Your Modern Home from Get an Advance Look at the Amazing Residences on Dwell's Brooklyn Home Tour

66 Outstanding Fireplace Designs for Your Modern Home

8 of 66

Architect Alex Gil and his wife, Claudia DeSimio, affixed a 750-square-foot addition to the roof of a 19th-century Williamsburg townhouse, transforming their cramped third-floor apartment into a modern duplex. The original fireplace remains, but has been stripped down to exposed brick, as have the surrounding walls, creating an almost wainscot-like design of exposed brick with flat white drywall above.