An example furnace includes a plurality of furnace components that are stacked to form a plurality of furnace chambers therebetween. Each furnace component includes opposing sidewalls and a support wall that extends between the opposing sidewalls, separates adjacent ones of the plurality of furnace chambers, and defines a plurality of channels. A plurality of heating elements are situated in the channels.

A method of repairing or replacing a roof of a coke oven battery in operation, said coke oven battery including a number of parallel coking chambers separated by heating walls and delimited on top by a ceiling, itself covered by a roof, the roof having for each coking chamber a number of charging holes or gas transfer holes above the coking chamber, a number of inspection holes above the separating heating walls, one or two base rings connected to one or two gas collecting mains and rail sleepers supporting rails for a coke charging car or charging gas transfer car through an ascension pipe. A kit of parts with construction modules and the use of such kit of parts in the repairing or replacing of a roof of a coke oven battery in operation and or with at least one oven empty in hot condition is also related.

A method of repairing or replacing a roof of a coke oven battery in operation, said coke oven battery including a number of parallel coking chambers separated by heating walls and delimited on top by a ceiling, itself covered by a roof, the roof having for each coking chamber a number of charging holes or gas transfer holes above the coking chamber, a number of inspection holes above the separating heating walls, one or two base rings connected to one or two gas collecting mains and rail sleepers supporting rails for a coke charging car or charging gas transfer car through an ascension pipe. A kit of parts with construction modules and the use of such kit of parts in the repairing or replacing of a roof of a coke oven battery in operation and or with at least one oven empty in hot condition is also related.