Installing Metal Roof Over Flat Roof

The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof.

Installing metal roof over flat roof.

The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing. Install drip edge drip edge or edge metal is a piece of metal that extends approximately 0 75 inch beyond the roof s edge to channel runoff into your gutters. You can use 1 inch nails for the installation of eave flashing. Install the first metal panel on the low end of the roof square to the eave.

Begin on the left side of the roof working to the right. To install it slide the flat wide. Snap a vertical chalk line 1 4 inch from the rake edge of the roof using a chalk box. Place the first screw.

They need to be about every 2 feet apart. Space the screws about 12 in 30 cm apart. Installing metal roofing over existing roofing material can usually be successfully. Use your neoprene washer head screws to secure the metal to the sheathing.

The metal roofing will be installed onto the top of the boards. 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. Install the roofing screws vertically along each rib in the panel.

You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. Ensure that the line is square with the eave. In this video i cover measuring the roof figuring the metal th. For exposed fasteners avoid over tightening the fastener.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. Step 3 install the metal edging. 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. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Next you are ready to install the metal roof.