How To Install Corrugated Asphalt Roofing

Install the roofing screws vertically along each rib in the panel.

How to install corrugated asphalt roofing. The washer under the screw head should seal to the surface of the panel without bulging or shifting. When you decide to install corrugated metal roofing you just need to make sure that you have the right materials. Secure the screws but do not overtighten. Work toward the sides of the roof deck cutting panels to fit as necessary.

Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. Secure a chalk box s chalk line against the eave s pencil mark using either a 1 inch roofing nail or a helper. Place a second corrugated sheet next to the first with the ridge of the panel overlapping. Apply a heavy bead of asphalt cement.

Insert about 20 nails into the humps of the ridges spread equally throughout the panel. For a more secure roof apply caulk sealant between the two overlapping sheets. Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles. How to install ondura roof panels.

Dot the cement under and around the edge of the last ridge shingle where you removed the nail line. Moreover a corrugated metal roof is highly durable and will last for decades. Place the next row of corrugated metal roofing so that the bottom of it is over the top of the first row. To install corrugated roofing start by cutting your panels to length with an angle grinder.

Step 4 line up the second sheet overlapping the first by one ridge and install it in the same manner. Place a pencil mark on the roof s eave 48 inches from its rake using a tape measure to measure from the rake toward the center of the. Nail at the four corners to the end of the ridge and always add a little dab of tar to cover the nail heads. Line up the first panel at the bottom corner of the roof near the lip and hammer it in place with 3 inch metal roofing nails.

Finish at the ridge line. This will help water flow down the roof without running the risk of leaks. Screw the second sheet through the first and into the framing. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run.