A friend asked me to look at this unit as he couldn't fathom it out. He had put it together as stated, but this unit is of such poor quality and to have a larder / oven housing made of such thin material (15mm) is very poor for the price (£95.) He couldn't return it as I suggested as he had scratched it badly. In the end I dismantled it and and purchased a thicker (18mm) board. I used the old unit sides as a template and surprise, surprise it was perfect. My advise is that if your going to have a kitchen of any type make sure you else where or at least go for 18mm minimum thickness for a more solid stable frame work