Repairing Rotten Trim
Don't replace the whole board; cut out the damage and make a perfect patch.
Synopsis: This article offers a detailed description of how plastic biscuits and marine epoxy can be used to patch exterior trim, saving you the trouble and expense of replacing an entire board.
If I look hard enough at any house here in New Orleans, I’m sure to see one: a length of casing, fascia or corner board, with a hideous scarf joint only a foot or two from the end. This joint wasn’t put there by the builder; it was added years later to repair a rotten section of trim.
We get a lot of rot down here, and the ends of the boards are often the first to go. When they do, the standard repair is to cut back to undamaged wood at a 45º angle (what’s known as a scarf joint), then attach a new section of trim using yellow glue and finish nails. Sometimes it…