5 Best Of How To Install Gable Flashing On Metal Roof HD Image Size. Lap screws should be placed 12 on center hitting the high seam of roofing corrugation. Let it stick out again just a little bit past and make a mark.
Create the bend at the middle of the length. Rake Trim Rake trim is placed along the roofline where the line meets the gable. STEP BY STEP INSTRUCTIONS for installation of gable and rake trim on an exposed fastener.
For chimneys and vents be sure that the flashing covers at least 3 inches on all sides.
Make a one-inch mark along the edge of your trim. Lay it over metal flashing edges around vents and pipes. Additional screws should be placed 12 on face staggered from top screws. Foam Closure Installation For Peak Trim.