Does Flahing Go Over Or Under Gutters. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. I did a little searching before asking this thinking that the topic must have come up in the past but didn t find anything coherent.
With the code recommended installation of the ice barrier over the drip edge water can back up at the eaves edge and get behind the vertical leg of the drip edge where it can end up flowing into the joint between the fascia and the roof sheathing. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide.
We re having this bit of disagreement between a gc and a roofer as to whether ice water shield over decking should flash over or under the drip edge piece at the connection to the fascia.
Understanding the proper way to install the drip edge will only get you so far. The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. Get the real story about drip edge placement. Open valleys have metal flashing to protect this critical area of the roof.
