The typical US Defense Intelligence Agency Intelligence Officer salary is $97,935. Intelligence Officer salaries at US Defense Intelligence Agency can range from $66,040-$130,692. This estimate is based upon 12 US Defense Intelligence Agency Intelligence Officer salary report(s) provided by employees or estimated based upon statistical methods. See all Intelligence Officer salaries to learn how this stacks up in the market.
Where valleys run from the edge of the roof to a ridge, trim the flashing to fit under the corresponding side of the ridge shingles. Pull the nails at that side of the ridge shingles to install the flashing, and re-nail the ridge after the flashing is nailed in place.
The opposing surfaces of the roof drain the water towards the valley area, where it is then channeled towards the exterior edge of the roof. There are two predominant methods for completing the flashing of a valley in a shingle roof system. These methods are to either install a closed valley or an open valley. In order to understand what makes a valley either closed or open, it is important to understand how a valley is constructed.