rotted exposed outdoor floor joists
porch on front of house is held up by floor joists coming from the house(Raised ranch). Several are rotted about an inch or two down. Is it feasible to cut the top inch or two inches off these 2x8 boards,and then put a treated piece of lumber on top? I could then epoxy the new top piece to the rest of each joist,then put new wolmanized wood deck on top? I would also put water seal on existing joists,as they were installed in 1962 and they are not treated. Question: Are the joists still safe? Porch is only 4 feet wide,and 26 feet long, on 16 inch joists. Thanks!!!