How To Install Galvalume Roofing

Install the roof substrate according to local building code requirements.

How to install galvalume roofing.

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. Preformed valley trim panel wood screw panel. Place the leading edge of the first panel along this line. 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.

Installing corrugated roofing 1. Pre drill holes on the ridges. 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.

Fasten it with galvanized screws with plastic washer caps by using a screw gun. See panel squaring method in this manual. Secure the screws but do not overtighten. Cut the panels to the desired length.

Today metal roofing is on the rise again. 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. Most panels come up to 32 feet 9 8 m in length. Some panels have pre drilled holes.

Measure one panel width in from the roof edge. The washer under the screw head should seal to the surface of the panel without bulging or shifting. 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. At this point chalk a line from ridge to eave.

Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. If yours do not then you will need to drill holes. Its popularity has nearly quadrupled in the last 20 years.