how long of a job is it to remove headliner in a 2004 Crossfire coupe?

all the trim has to be removed.dome light.then the headliner has to be removed,carefully,as not to bend or break the board.all the headliner material and insulation has to be removed.the the headliner board has to be cleaned very well,removing all the glue.new glue has to be applied,new material has to be cut/applied.board put back in,all trim,dome light,button up.app.4 hrs.