Proper Way To Lap Metal Roofing
The screws that you will be using will have a rubber washer with a metal cap.
Proper way to lap metal roofing. The installation of metal roofing involves placing large metal panels on the roof. For exposed fasteners avoid over tightening the fastener. Use a metal blade and expect it to wear quickly. 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.
You want to tighten the washer so that it spreads to the edge of the metal cap and not past the metal cap. Use your neoprene washer head screws to secure the metal to the sheathing. Place the first screw. You will use metal roofing screws to secure the metal panels to the sheathing.
This helps to prevent water infiltration. Space the screws about 12 in 30 cm apart. Wear work gloves and find the longest pair you can. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Try to space the screws about 12 inches apart down the entire piece of metal. The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel. Install the roofing screws vertically along each rib in the panel. Moreover a corrugated metal roof is highly durable and will last for decades.
And for any exposed fasteners try to avoid over tightening them. The rubber washer is just a bit smaller than the metal cap. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Effective if rated for the right metal and gauge.
Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles. Because of this you should start at the lowest part of the slope and work upward. A basic rule of thumb for installing metal roofing is that the piece of roofing higher up on the slope should always overlap the one below it. How to lap metal roofing.
Moreover try to ensure that the screws are all aligned evenly.