How To Install Galvalume Roofing

Pre drill holes on the ridges.

How to install galvalume roofing.

Fasten it with galvanized screws with plastic washer caps by using a screw gun. The washer under the screw head should seal to the surface of the panel without bulging or shifting. 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. 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.

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. Some panels have pre drilled holes. 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. Allow for a minimum of 18.

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. Install the first galvanized roof panel at one bottom corner. Install the roof substrate according to local building code requirements. If yours do not then you will need to drill holes.

Cut the panels to the desired length. 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. Most panels come up to 32 feet 9 8 m in length. Measure one panel width in from the roof edge.

Its popularity has nearly quadrupled in the last 20 years. Installing corrugated roofing 1. Install the roofing screws vertically along each rib in the panel. See panel squaring method in this manual.

Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Place the leading edge of the first panel along this line. Preformed valley trim panel wood screw panel.