My wife and I had a house built just about a year ago. Since that time we've contracted a structural engineering firm (PE) to access the house(we did this because I noticed a sag over some of the windows. As it turns out the engineer (not actually the PE, but someone working for the firm) found a number of windows that didn't have headers over them. (the house is a split level contempory with a basement level bedroom - requiring a larger then allowed for egress -but thats another story.) In any case, the engineer stated that our vaulted ceilings in the first floor livingroom and master bedroom were unstable. The builder has since come back with his own PE and is stating the guy we hired doesn't know what he's talking about. My question is: Does anyone have any suggestions? The building inspector is very weak as we found numerous other MA code violations, yet he ok-ed the construction. The design is as follows: The back roof spans about 14' with 5/12 pitch. This simply attaches to the front roof with a standard ridge board configuration. The front roof has a 12/12 pitch also spanning about 14 feet to the first floor. The loft on the second floor has a flat ceiling. The second floor ceiling joist join the rear roof rafters to the front rafters at about 1/3-1/2 half of the way down. Everything is constructed with 2x8's. There are also some 2x4 collar ties approximately 4' from the ridge.