Drier for drying objects, in particular painted vehicle bodies or attachment parts, comprising a) a drier housing; b) a drier chamber which is arranged in the drier housing and in which an internal atmosphere having a higher temperature than the external atmosphere is present; c) an inlet lock and an outlet lock which reduce the inflow of the external atmosphere into the drier chamber and the outflow of the internal atmosphere into the external atmosphere; d) a conveyor system which conveys the objects through the inlet lock, the drier chamber and the outlet lock; characterised in that e) the inlet lock comprises: ea) a first air curtain which extends across the entire width of the inlet lock and runs from the bottom up; eb) a second air curtain behind the first air curtain, with respect to the movement direction of the objects, which extends across the entire width of the inlet lock and runs from the top down; f) the outlet lock is constructed substantially identical to the inlet lock, wherein however the objects first pass through an air curtain directed from the top down and then through an air curtain directed from the bottom up, and wherein g) an intermediate wall having an opening is provided at the entrance of the inlet lock, wherein the upper section of the intermediate wall serves as a bulkhead for air guidance and a further bulkhead is provided at the entrance of the drier chamber, under which bulkhead the objects pass through and enter the drier chamber; and h) a further bulkhead is provided at the entrance of the outlet lock, under which bulkhead the objects pass through and exit the drier chamber and an intermediate wall having an opening is provided at the exit of the outlet lock, wherein the upper section of the intermediate wall serves as a further bulkhead for air guidance. a) a drier housing; b) a drier chamber which is arranged in the drier housing and in which an internal atmosphere having a higher temperature than the external atmosphere is present; c) an inlet lock and an outlet lock which reduce the inflow of the external atmosphere into the drier chamber and the outflow of the internal atmosphere into the external atmosphere; d) a conveyor system which conveys the objects through the inlet lock, the drier chamber and the outlet lock; characterised in that e) the inlet lock comprises: ea) a first air curtain which extends across the entire width of the inlet lock and runs from the bottom up; eb) a second air curtain behind the first air curtain, with respect to the movement direction of the objects, which extends across the entire width of the inlet lock and runs from the top down; ea) a first air curtain which extends across the entire width of the inlet lock and runs from the bottom up; eb) a second air curtain behind the first air curtain, with respect to the movement direction of the objects, which extends across the entire width of the inlet lock and runs from the top down; f) the outlet lock is constructed substantially identical to the inlet lock, wherein however the objects first pass through an air curtain directed from the top down and then through an air curtain directed from the bottom up, and wherein g) an intermediate wall having an opening is provided at the entrance of the inlet lock, wherein the upper section of the intermediate wall serves as a bulkhead for air guidance and a further bulkhead is provided at the entrance of the drier chamber, under which bulkhead the objects pass through and enter the drier chamber; and h) a further bulkhead is provided at the entrance of the outlet lock, under which bulkhead the objects pass through and exit the drier chamber and an intermediate wall having an opening is provided at the exit of the outlet lock, wherein the upper section of the intermediate wall serves as a further bulkhead for air guidance.