Aframe for French doors, in particular lift-and-slide French doors, the frame including - at least one upper and one lower frame portion (102, 105) and two frame side portions (103, 104) and - an interior side and an exterior side, the exterior side being the weather side of the frame and the interiorside being the room side of the frame; wherein the frame profile forming the frame comprises first and second steel chambers (6, 8), a drainage chamber therebetween, and a frame overlap, the frame overlap being arranged generally above the drainage chamber, wherein the frame profile forming the frame has, at least in the lower frame portion, a profile geometry extending from the drainage chamber toward the exterior side and including at least the first steel chamber, wherein the profile geometry has a proximal end facing the drainage chamber, and a substantially opposite distal end, and wherein the second steel chamber is arranged generally opposite the first steel chamber with respect to the drainage chamber, and wherein a first reinforcing material is provided in the first steel chamber at least along a first portion of the lower frame portion, wherein - at least one first drainage opening is arranged at the distal end of the profile geometry at the second portion of the lower frame portion, characterized in that - there is no reinforcing material provided in the first steel chamber along a second portion of the lower frame portion, and - the drainage opening is fluidly connected to the drainage chamber through at least one drainage passage between the first steel chamber and the drainage chamber. - at least one upper and one lower frame portion (102, 105) and two frame side portions (103, 104) and - an interior side and an exterior side, the exterior side being the weather side of the frame and the interiorside being the room side of the frame; wherein the frame profile forming the frame comprises first and second steel chambers (6, 8), a drainage chamber therebetween, and a frame overlap, the frame overlap being arranged generally above the drainage chamber, wherein the frame profile forming the frame has, at least in the lower frame portion, a profile geometry extending from the drainage chamber toward the exterior side and including at least the first steel chamber, wherein the profile geometry has a proximal end facing the drainage chamber, and a substantially opposite distal end, and wherein the second steel chamber is arranged generally opposite the first steel chamber with respect to the drainage chamber, and wherein a first reinforcing material is provided in the first steel chamber at least along a first portion of the lower frame portion, wherein - at least one first drainage opening is arranged at the distal end of the profile geometry at the second portion of the lower frame portion, - at least one first drainage opening is arranged at the distal end of the profile geometry at the second portion of the lower frame portion, characterized in that - there is no reinforcing material provided in the first steel chamber along a second portion of the lower frame portion, and - the drainage opening is fluidly connected to the drainage chamber through at least one drainage passage between the first steel chamber and the drainage chamber. - there is no reinforcing material provided in the first steel chamber along a second portion of the lower frame portion, and - the drainage opening is fluidly connected to the drainage chamber through at least one drainage passage between the first steel chamber and the drainage chamber.