Cap seal material tic Ventilation System Venting material 9" end cap flap Fold the 9" flap ® under the starting edge. Press Mongoose Ridge Vent to the roof, the glue will hold Mongoose Ridge Vent to the roof shingles. { Roll out Mongoose ® Ridge Vent along ridge line of roof. Press Mongoose Ridge Vent to the roof so that the glue strips adhere to the roof shingles. When the ridge ® length is greater than 20' or you are using leftovers from a previous job, you must create a joint 1o continue the vent.
