Metal Roof Flashing Around Skylight

Replace or repair the metal flashing around the frame of the skylight.

Metal roof flashing around skylight.

Flashing s must be installed from the bottom lowest point to the top highest point of skylight. Align the grooves on the skylight fins. How to put a skylight in a corrugated metal roof 1. Open valleys have metal flashing to protect this critical area of the roof.

Most residential skylights sit on a raised curb made watertight with metal flashing. The top of the flashing must be secured. You will need one roof flashing for each side of your skylight. Try making the easier repairs with roofing cement or silicone caulking first before tackling more difficult fixes like replacing the flashing.

Apply 100 silicone caulking tube to seal leaks around the skylight lens. Good luck with your project. If it s carefully removed when the old roof is torn off it should be reusable. Flashing a skylight may involve sealant as one line of defense against water infiltration but above all there must be good flashing.

A skylight in a metal roof must be curb mounted in order to be properly flashed. While some skylight manufacturers include flashing in their products sometimes roofing professionals. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes. Measure the length and the height of the sides of the skylight.

The edge of the roof has thin metal flashing that helps water drip off. Most major skylight manufacturers provide flashing kits for asphalt shingles as well as specialty flashings for tile and metal roofing typically with a wraparound head flashing and moldable apron flashing that conforms to the roofing profile. First remove the skylight s counterflashing. If not you ll have to buy new flashing 50 to 100 either from the skylight manufacturer or from a roofing company that has a metal fabrication shop look under roofing in the yellow pages or online.

Step 2 prepare the metal flashing. It cannot be flush mounted. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time. Deduct the width of the fins on each side of the skylight and mark another outline on the roof to define the area to.

Place the skylight unit on the roof at the desired location. Cut the metal flashing based on the length you determined but adding an extra two inches. Skylight flashing systems are not required for pan flashed skylights or velux sun tunnel skylight.