Proper Way To Lap Metal Roofing

Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles.

Proper way to lap metal roofing.

This helps to prevent water infiltration. The installation of metal roofing involves placing large metal panels on the roof. Install the roofing screws vertically along each rib in the panel. And for any exposed fasteners try to avoid over tightening them.

For exposed fasteners avoid over tightening the fastener. Wear work gloves and find the longest pair you can. Use your neoprene washer head screws to secure the metal to the sheathing. Try to space the screws about 12 inches apart down the entire piece of metal.

Place the first screw. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. When you tighten the screw it s critical that you don t drive it too far. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

You want to tighten the washer so that it spreads to the edge of the metal cap and not past the metal cap. Because of this you should start at the lowest part of the slope and work upward. The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel. Effective if rated for the right metal and gauge.

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. Use a metal blade and expect it to wear quickly. The rubber washer is just a bit smaller than the metal cap. You will use metal roofing screws to secure the metal panels to the sheathing.

The screws that you will be using will have a rubber washer with a metal cap. Moreover a corrugated metal roof is highly durable and will last for decades. 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. When you decide to install corrugated metal roofing you just need to make sure that you have the right materials.

Space the screws about 12 in 30 cm apart.