Installing Metal Roof Over Flat Roof

Step 3 install the metal edging.

Installing metal roof over flat roof.

Install the roofing screws vertically along each rib in the panel. Space the screws about 12 in 30 cm apart. In this video i cover measuring the roof figuring the metal th. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

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. Use your neoprene washer head screws to secure the metal to the sheathing. Install the first metal panel on the low end of the roof square to the eave. Next you are ready to install the metal roof.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. You can use 1 inch nails for the installation of eave flashing. Take a metal sheet and use inch metal wood screws to affix the roofing onto the wood slats. Place the first screw.

To install it slide the flat wide. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. For exposed fasteners avoid over tightening the fastener. Installing metal roofing over existing roofing material can usually be successfully.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. Begin on the left side of the roof working to the right. 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.

Ensure that the line is square with the eave. The metal roofing will be installed onto the top of the boards. The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Snap a vertical chalk line 1 4 inch from the rake edge of the roof using a chalk box.

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.