How To Install Galvalume Roofing

Cut the panels to the desired length.

How to install galvalume roofing.

Secure the screws but do not overtighten. Install the first galvanized roof panel at one bottom corner. Measure one panel width in from the roof edge. At this point chalk a line from ridge to eave.

See panel squaring method in this manual. Install the roof substrate according to local building code requirements. By installing the roof directly over the existing nonmetallic roof costly and time consuming tear offs are eliminated and activities inside the building can continue without interruption. Retrofitting is accomplished by installing to the existing roof structure a light weight sub framing system generally made with light structural steel sections that provides a minimum 12 slope for the new galvalume ssr.

Some panels have pre drilled holes. Today metal roofing is on the rise again. And while it commands a premium the components are expensive as is the skilled labor for installation a metal roof can boost a home s resale value by up to 6 percent in some areas. Its popularity has nearly quadrupled in the last 20 years.

It is extremely important that this panel be laid square to the eave and ridge so that the remaining panels will line up square on the roof frame. Install the panel a minimum of 3 up from the water diverter at the bottom of the valley and minimum of 3 down from the top of the valley. Place the leading edge of the first panel along this line. Fasten it with galvanized screws with plastic washer caps by using a screw gun.

Allow for a minimum of 18. Most panels come up to 32 feet 9 8 m in length. If yours do not then you will need to drill holes. Installing corrugated roofing 1.

Preformed valley trim panel wood screw panel. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Install the roofing screws vertically along each rib in the panel.