I had the same problem in my front room a friend recomended a repair company called Laminate Solutions who im glad to say solved this problem for me. I thought i would have to replace the whole floor.
Miss A jones
June 2009
it sounds as though not enough gap was lrft around the edge so when it expands it can only bow in the middle
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix laminate flooring.