My home was built in 1938. All the rafters are 2×4 construction spaced 24 inches o.c. Is your duralite product acceptable for a re-roof on this house?
Our lightweight tiles are designed as reroof options for houses that were not originally designed for standard weight tile. In most cases, no additional reinforcement is required for Duralite tiles although it is still important to consider the condition of the structure. On a house as old as yours, there are sometimes changes that have been made to the structure and these need to be identified and analyzed to certify their compliance to standards. Rafter sizes of 2″x4″ on 24″ centers is quite common for homes built at that time and they would be capable of supporting a tile roof if they are properly supported and attached. Current allowable, unsupported spans for 2″x4″ at 24″o.c. would not exceed 7’9″ for lightweight tile or 7′ for standard weight. Your building official will likely want to know the rafter spans and other information prior to issuance of a roofing permit.
Related Questions
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