Replaceable insulation roof for industrial oven

An insulated roof for an industrial oven of the type having a heated length of a passage between insulated side walls spaced apart by a width of the heated passage, the insulated roof comprising:

• a plurality of insulated connected pairs of roof trusses extending across the width of the passage of the industrial oven from one side wall to another side wall, each insulated connected pair of roof trusses comprising two vertical metal bridges having lower portions connected to each other and having fibrous insulating material wrapped around the lower portions of the two vertical metal bridges and extending between the lower portions of each of the two metal bridges to form continuous insulation therebetween;
• wherein, each of the plurality of insulated connected pairs of roof trusses are positioned adjacent and parallel to each other along a predetermined portion of the length of the heated passage of the industrial oven;
• a heat resistant seal formed between the adjacent insulated connected pairs of roof trusses so that a substantially continuous insulated roof is formed along the predetermined portion of the length of the oven passage;
• and
• wherein the insulated connected pairs of roof trusses are removably attached to the side walls of the industrial oven so that one or more of the plurality of insulated connected pairs of roof trusses may be removed and replaced without removing and replacing all of the insulated connected pairs of roof trusses.