How To Install A Skylight On A Corrugated Metal Roof

Paint or prime cut edges to prevent rust.

How to install a skylight on a corrugated metal roof.

Skylights for corrugated metal must be slid under the upper flap of the roof. 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. Step 1 cut the panels to the desired length. This clip shows how you can easily install a polycarbonate.

This guide presented by kyal kara from the block demonstrate the basics to installing velux skylights into a pitched metal roof with custom flashing whi. If yours do not. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Most panels come up to 32 feet 9 8 m in length.

Install from the bottom up lapping each piece on top of the lower one. However the way your roof is flashed against the skylights will be one of the most crucial aspects of the installation process. Set the skylight unit aside. Place the skylight unit on the roof at the desired location.

Polycarbonate panels offer multiple advantages over traditional fiberglass panels. Align the grooves on the skylight fins with the grooves on the corrugated roofing. If the skylight is curb mounted then you will need to lift window over the curbs and rest it on top of the sills. Rest the skylight against the bottom edge of the opening first and then lower the light onto the roof.

Wear hearing and eye protection. High performance glazing that stands up to punishing exterior applications. Some panels have pre drilled holes. Use for skylights roof lights and sidelights.

Mark an outline along the outer edges of the fins. Place the skylight unit on the roof at the desired location. If you have to replace shingles around a skylight examine the old flashing. Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.

If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Install 6 in wide strips of a self sticking waterproof underlayment. Angle grinder 1 x research source the fastest option. Designed specifically to match up with sm rib and pbr r panels.

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. This underlayment will direct any water that may get through the metal flashing onto the roofing felt.