Installing Metal Roofing Horizontally

36 panels roof pitch.

Installing metal roofing horizontally.

Can you use galvanized steel roof panels horizontally on a roof. 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. 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. 2 corrugated metal roof installation instructions.

Place the first screw. The link shows a typical corrugated roof panel with 1 2 inch tall ribs pretty standard for a light duty roof. Space the screws about 12 in 30 cm apart. I am going to guess that you want to save money time labor on install.

For exposed fasteners avoid over tightening the fastener. Complete the first row. Lay and secure the first metal panel. If the pitch is 4 12 or greater stitch screws and sealant are.

Use your neoprene washer head screws to secure the metal to the sheathing. Install the roofing screws vertically along each rib in the panel. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Hidden fastener installation step 1.

Install offset cleat install the offset cleat along the eave and then you are ready to install the metal. Bend panel edge we will prepare the end of this panel by cutting up one inch on either side folding under and. Lay the roofing felt. 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.

Purlins are 2 by 4 feet and are installed much like metal roofing. Buy the metal panels. Metal roof purlins are installed horizontally under metal roofs. 2 12 2 12 means there is 2 of rise for every 12 running horizontally is required.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. They give added support to the roof and also provide a nailing surface for the end panels and drip edge.