Installing Metal Roofing Horizontally

Place the first screw.

Installing metal roofing horizontally.

Install the roofing screws vertically along each rib in the panel. Buy the metal panels. 36 panels roof pitch. Use your neoprene washer head screws to secure the metal to the sheathing.

2 corrugated metal roof installation instructions. Metal roof purlins are installed horizontally under metal roofs. If the pitch is 4 12 or greater stitch screws and sealant are. Hidden fastener installation step 1.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. They give added support to the roof and also provide a nailing surface for the end panels and drip edge. 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. Complete the first row.

Space the screws about 12 in 30 cm apart. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Purlins are 2 by 4 feet and are installed much like metal roofing. I am thinking of installing metal liner panels on the interior walls of my shop it is a pole type building with 6 6 s spaced 8 foot on center.

Lay and secure the first metal panel. I am going to guess that you want to save money time labor on install. What is the recommended horizontal lumber for the fasteners and what would be the typical spacing between the horizontal pieces be they 1 4 or 2 4 untreated lumber. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.

For exposed fasteners avoid over tightening the fastener. Finish the first side of the roof. Metal roofing stitch screws and sealant must be applied to the laps to prevent the siphoning of water over the ribs on a low slope application. 2 12 2 12 means there is 2 of rise for every 12 running horizontally is required.

Lay the roofing felt. The link shows a typical corrugated roof panel with 1 2 inch tall ribs pretty standard for a light duty roof.