Corrugated Metal Roofing Installation Details

When a metal roofing sheet must be installed on a curved roof screws should be installed at every overlapping rib at the sheet ends to resist the natural tendency of the metal to spring back.

Corrugated metal roofing installation details. Pre drill holes on the ridges. The standard fastening pattern is permitted over the rest of the sheet. Before you start to install corrugated metal roofing you need to figure out how much you need. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Corrugated metal roof installation instructions step 1. Installation of residential corrugated metal roof systems usvi ra3 march 2018 page 2 of 9 construction mitigation g uidance this section provides the following. It is recommended that 7 8 corrugated panels have a minimum slope requirement of 3 12 on all structures. Valley and snow design.

Without getting up on the roof itself you can get the measurements simply by measuring the. Installing corrugated roofing 1. Cut the panels to the desired length. If yours do not then you will need to drill holes.

When a metal roofing sheet must be installed on a curved roof screws should be installed at every overlapping rib at the sheet ends to resist the natural ten dency of the metal to spring back. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. Measure the length of the roof and the breadth of one side. When installing the metal panels shown in this booklet over a curved arch the minimum.

Multiply those numbers and then double the result for the square footage of your roof. Most panels come up to 32 feet 9 8 m in length. You can either buy. Buy the metal panels.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Start at the highest point and the furthest point from the trash container and take off all the old. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. 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 line.

For added protection from rain and snow it is recommended to use rubberized ice and water shield on eaves valleys and areas of roof penetrations. Allow for a minimum of 18. Metal roofing specifications cad pdf drawings testing bim. Install the roofing screws vertically along each rib in the panel.

Some panels have pre drilled holes. Also for exposed fastener panels wall panels tiles soffit fascia copping.