Metal Roof Flashing Around Skylight

Measure the length and the height of the sides of the skylight.

Metal roof flashing around skylight.

This ensures that the overlap at the seams face downwards. Align the grooves on the skylight fins. The more sides and the longer your skylight has the more roof flashing you will need. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time.

A skylight in a metal roof must be curb mounted in order to be properly flashed. If it s carefully removed when the old roof is torn off it should be reusable. 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. While some skylight manufacturers include flashing in their products sometimes roofing professionals.

Replace or repair the metal flashing around the frame of the skylight. Deduct the width of the fins on each side of the skylight and mark another outline on the roof to define the area to. Most residential skylights sit on a raised curb made watertight with metal flashing. It cannot be flush mounted.

How to put a skylight in a corrugated metal roof 1. The edge of the roof has thin metal flashing that helps water drip off. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes. Flashing a skylight may involve sealant as one line of defense against water infiltration but above all there must be good flashing.

Metal roofing manufacturers can explain how to flash their products against skylights and other protrusions. Try making the easier repairs with roofing cement or silicone caulking first before tackling more difficult fixes like replacing the flashing. Open valleys have metal flashing to protect this critical area of the roof. Place the skylight unit on the roof at the desired location.

Step 2 prepare the metal flashing. Good luck with your project. Flashing s must be installed from the bottom lowest point to the top highest point of skylight. Cut the metal flashing based on the length you determined but adding an extra two inches.

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. Apply 100 silicone caulking tube to seal leaks around the skylight lens. The top of the flashing must be secured.