Proper Way To Lap Metal Roofing

And for any exposed fasteners try to avoid over tightening them.

Proper way to lap metal roofing.

You want to tighten the washer so that it spreads to the edge of the metal cap and not past the metal cap. Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. The rubber washer is just a bit smaller than the metal cap.

Because of this you should start at the lowest part of the slope and work upward. How to lap metal roofing. 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. 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.

The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel. Use your neoprene washer head screws to secure the metal to the sheathing. Space the screws about 12 in 30 cm apart. Moreover try to ensure that the screws are all aligned evenly.

Wear work gloves and find the longest pair you can. 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. Effective if rated for the right metal and gauge.

Try to space the screws about 12 inches apart down the entire piece of metal. Place the first screw. This helps to prevent water infiltration. For exposed fasteners avoid over tightening the fastener.

Use a metal blade and expect it to wear quickly. As a first line of defense against water damage it is important that the metal roof overlap be implemented correctly. You will use metal roofing screws to secure the metal panels to the sheathing. Install the roofing screws vertically along each rib in the panel.

When you tighten the screw it s critical that you don t drive it too far.