Installing Metal Roofing On A Flat Roof

Place the first screw.

Installing metal roofing on a flat roof.

Step 3 install the metal edging. The metal roofing will be installed onto the top of the boards. Metal is one of the most durable roofing material to install however the initial investment is much higher up front than other commercial and flat roofing solutions. Next you are ready to install the metal roof.

They need to be about every 2 feet apart. Can metal roofing be used on a low slope pitch roof. Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof. You can use 1 inch nails for the installation of eave flashing. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Metal has quickly become the standard roofing material for commercial and flat roofing systems and for good reason.

If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. Install the roofing screws vertically along each rib in the panel. Space the screws about 12 in 30 cm apart.

Use metal 1 inch roofing nails to install the metal edging that goes around the perimeter of the roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Use your neoprene washer head screws to secure the metal to the sheathing.