How To Install Galvalume Roofing

Fasten it with galvanized screws with plastic washer caps by using a screw gun.

How to install galvalume roofing. Its popularity has nearly quadrupled in the last 20 years. Secure the screws but do not overtighten. The washer under the screw head should seal to the surface of the panel without bulging or shifting. 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.

See panel squaring method in this manual. Installing corrugated roofing 1. At this point chalk a line from ridge to eave. If yours do not then you will need to drill holes.

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. Place the first screw at the outside bottom edge add screws at the other edge and the top of the panel to secure it and finish fastening it with screws about 24 inches apart. 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.

Most panels come up to 32 feet 9 8 m in length. Pre drill holes on the ridges. 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. 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.

Install the first galvanized roof panel at one bottom corner. Install the roof substrate according to local building code requirements. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Preformed valley trim panel wood screw panel.

Cut the panels to the desired length. Today metal roofing is on the rise again. Place the leading edge of the first panel along this line.