I have a large picture window on SW corner of house. The building plan called for the 13th log to be cut out to accommodate the height of window. about half the log was cut out. this is the top log and carries the weight of roof on this portion of the house. the top log #13 has bowed from the weight of the roof compressing top of window until the vertical windows will no longer close tight. what can be done to stop the bowing? it eventually will cause the window glass to bust from pressure. I