How To Cut Roof Flashing Corners

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

How to cut roof flashing corners. If you bend nice crisp corners and nail carefully you ll only leave a tiny hole to caulk at the corner photo 3. If you re flashing a masonry chimney nail the flashing to the roof as far up the flashing as possible. 3 12 flashing large roof penetrations 17 3 13 flashing small roof penetrations 19 3 14 expansion 20 3 15 standard roof flashings 21 3 16 non standard roof flashings cappings 24 3 17 box gutters 25 3 18 barge gutters and capping 26 4 0 typical wall flashings 27 4 1 cladding orientation 27. The leading edge of the flashing is called the drip edge.

Turns out not all. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Starting at the front of the chimney assuming the chimney is surrounded by roof continuous flashing roof to wall flashing along the front bottom edge with soldered corners on each side then step flashing up each side if asphalt shingles are being used then soldered. Position the wall or roof edge as it installs and align the cut with the corner with the 16 inch portion extending beyond the corner.

If you do not have a manual powered jump shear you can use tin snips or a utility knife to cut the aluminum flashing. Open valleys have metal flashing to protect this critical area of the roof. Remember to place the flashing under the weather barrier on the dormer. Cut the top of the flashing at a slight angle to the face of the rake and bend the vertical leg back against the rake trim.

Bend the 16 inch portion by hand so it fits against the. You can slide them under the overhanging piece. Past the outside corner. In this video paulricalde shows the two main types of roof drip edge flashing how to cut both inside and outside corners on them and how to retrofit drip edge on a simple roof.

Aluminum flashing protects the fascia board of your home from the elements. Hold a piece of rake flashing in place and then mark and cut its leading edge plumb to the eave fascia. Drip edge flashing is any flashing that protects a building element by shedding water. Make sure that the overhanging edge is folded around at the corners of the roof.

Slide the overlapping corner under the other overhanging piece of drip edge. Overlap the corners of the roof. The purpose of the cut is to let the edges of the roof to fit at the end of the roof. Cut one piece of drip edge square on both edges to fit against the end of the roof.

Hold the eave flashing in place running about 1 in. Chimney flashing is applied around the base of a chimney and behind the wrb in several different pieces of flashing.