Installing Metal Roof Over Flat Roof

You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.

Installing metal roof over flat roof.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Begin on the left side of the roof working to the right. Step 3 install the metal edging. Ensure that the line is square with the eave.

Place the first screw. Install the roofing screws vertically along each rib in the panel. In this video i cover measuring the roof figuring the metal th. Installing metal roofing over existing roofing material can usually be successfully.

Snap a vertical chalk line 1 4 inch from the rake edge of the roof using a chalk box. 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. 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. Take a metal sheet and use inch metal wood screws to affix the roofing onto the wood slats.

They need to be about every 2 feet apart. Use metal 1 inch roofing nails to install the metal edging that goes around the perimeter of the roof. To install it slide the flat wide. 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.

Install the first metal panel on the low end of the roof square to the eave. The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Space the screws about 12 in 30 cm apart. 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.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. 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. You can use 1 inch nails for the installation of eave flashing.

Next you are ready to install the metal roof.