Abstract: A roof assembly for a portable restroom includes a curved roof having a plurality of raised ribs extending parallel to each other, the curved roof including an opening between two of the raised ribs; a fan housing disposed in the opening of the roof, the fan housing having four sidewalls and top and bottom openings, the fan housing including extension portions extending outwardly from the sidewalls; a fan disposed in the fan housing; and a vent cap with sidewalls and a top wall overlying the top opening of the fan housing, the sidewalls of the vent cap are configured to include the extension portions within the vent cap such that a first gap is provided between the sidewalls of the fan housing and the sidewalls of the vent cap, the top wall is disposed spaced apart from the sidewalls of the fan housing to provide a second gap communicating with the first gap.

Abstract: A transportable restroom comprises a rectangular skid; a clean water tank carried by the skid and a waste water tank carried by the skid and disposed side to side on the skid to form a unitary base; wall extending from the base including a door; roof over the wall; and a toilet disposed over the waste water tank. The skid includes a recess with triangular wall portions. The waste water tank includes a bottom with corresponding triangular wall portions; and the waste water tank is disposed within the recess.

Abstract: A transportable restroom comprises a rectangular skid; a clean water tank carried by the skid and a waste water tank carried by the skid and disposed side to side on the skid to form a unitary base; wall extending from the base including a door; roof over the wall; and a toilet disposed over the waste water tank. The skid includes a recess with triangular wall portions. The waste water tank includes a bottom with corresponding triangular wall portions; and the waste water tank is disposed within the recess.

Abstract: A roof assembly for a portable restroom includes a curved roof having a plurality of raised ribs extending parallel to each other, the curved roof including an opening between two of the raised ribs; a fan housing disposed in the opening of the roof, the fan housing having four sidewalls and top and bottom openings, the fan housing including extension portions extending outwardly from the sidewalls; a fan disposed in the fan housing; and a vent cap with sidewalls and a top wall overlying the top opening of the fan housing, the sidewalls of the vent cap are configured to include the extension portions within the vent cap such that a first gap is provided between the sidewalls of the fan housing and the sidewalls of the vent cap, the top wall is disposed spaced apart from the sidewalls of the fan housing to provide a second gap communicating with the first gap.

Abstract: A transportable restroom comprises a skid; a clean water tank and a waste water tank disposed on the skid, the clean water tank and said waste water tank being joined together to form a base; walls extending from the base including a door; roof supported by the walls; and a toilet disposed over the waste water tank.

Abstract: A transportable restroom comprises a skid; a clean water tank and a waste water tank disposed on the skid, the clean water tank and said waste water tank being joined together to form a base; walls extending from the base including a door; roof supported by the walls; and a toilet disposed over the waste water tank.