How To Install A Skylight On A Corrugated Metal Roof

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.

How to install a skylight on a corrugated metal roof.

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. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges. This underlayment will direct any water that may get through the metal flashing onto the roofing felt. Use for skylights roof lights and sidelights.

Paint or prime cut edges to prevent rust. This clip shows how you can easily install a polycarbonate. Some panels have pre drilled holes. Angle grinder 1 x research source the fastest option.

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. Polycarbonate panels offer multiple advantages over traditional fiberglass panels. Step 1 cut the panels to the desired length. 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.

Align the grooves on the skylight fins with the grooves on the corrugated roofing. Set the skylight unit aside. If yours do not. If you have to replace shingles around a skylight examine the old flashing.

Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Place the skylight unit on the roof at the desired location. Mark an outline along the outer edges of the fins with a felt tip marker. High performance glazing that stands up to punishing exterior applications.

Designed specifically to match up with sm rib and pbr r panels. Install 6 in wide strips of a self sticking waterproof underlayment. Place corner pieces where panels will meet bends at the edge of the 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.

Up to 20 times greater impact resistance the highest light transmission rates the lowest yellowing index the highest load. Wear hearing and eye protection. Most panels come up to 32 feet 9 8 m in length. Align the grooves on the skylight fins with the grooves on the corrugated roofing.

Place the skylight unit on the roof at the desired location. 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.