I AM TRYING TO REPAIR EXTERIOR WOOD COLUMNS THAT HAVE BEEN PAINTED. THERE ARE AREAS AROUND THE THE COLUMN CAPS THAT HAVE ROTTED. CAN YOU RECOMMEND A PRODUCT THAT I MAY USE TO REPAIR THESE ROTTED AREAS? I HAVE TRIED A GENERAL EXTERIOR SPACKAL IN THE PAST, HOWEVER IT HAS BROKEN DOWN IN A VERY SHORT PERIOD OF TIME. ANY PRODUCT AS WELL AS MAIL OREDERING INFORMATION WOULD BE GREATLY APPRECIATED.