<HTML>Tommy,   I use an old iron,with a wet cloth to remove the old tops,and then a = router to remove the difference in wood,from the thinner (usually)tops,to th= e new thicker molded tops. The router also cleans and levels the top for a smoothe glue joint.I have fo= und that I like PVC-E glue, more than any other,for the plastic to wood bond= . Best, Hazen Bannister</HTML>