How To Install A Skylight On A Corrugated Metal Roof

Mark an outline along the outer edges of the fins.

How to install a skylight on a corrugated metal roof.

Designed specifically to match up with sm rib and pbr r panels. If the skylight is curb mounted then you will need to lift window over the curbs and rest it on top of the sills. Mark an outline along the outer edges of the fins with a felt tip marker. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run.

Set the skylight unit aside. For those who are unfamiliar with the term flashing it is a thin material usually galvanized steel that is used to direct water away from certain areas of the roof. High performance glazing that stands up to punishing exterior applications. This clip shows how you can easily install a polycarbonate.

Wear hearing and eye protection. Angle grinder 1 x research source the fastest option. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges. Align the grooves on the skylight fins with the grooves on the corrugated roofing.

Place corner pieces where panels will meet bends at the edge of the roofing. Paint or prime cut edges to prevent rust. This underlayment will direct any water that may get through the metal flashing onto the roofing felt. If yours do not.

Polycarbonate panels offer multiple advantages over traditional fiberglass panels. If you have to replace shingles around a skylight examine the old flashing. However the way your roof is flashed against the skylights will be one of the most crucial aspects of the installation process. Install from the bottom up lapping each piece on top of the lower one.

Up to 20 times greater impact resistance the highest light transmission rates the lowest yellowing index the highest load. Most panels come up to 32 feet 9 8 m in length. Place the skylight unit on the roof at the desired location. Use for skylights roof lights and sidelights.

Place the skylight unit on the roof at the desired location. Some panels have pre drilled holes. Step 1 cut the panels to the desired length. Install 6 in wide strips of a self sticking waterproof underlayment.

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Rest the skylight against the bottom edge of the opening first and then lower the light onto the roof. Skylights for corrugated metal must be slid under the upper flap of the roof.