How To Fix Corrugated Metal Roofing Sheets

Sweep the metal roofing sheets of all dirt and debris with a push broom.

How to fix corrugated metal roofing sheets.

Stagger the sheets using a half sheet to start the second row. Laying the sheets commence fixing sheets at the lower edge of the roof at the opposite end to the prevailing winds. Position the tape with the release backing on the top. Screws can be fixed through the pan valley or crest for walling applications.

Fix roofing sheets nail or drill each sheet into the purlins or decking beneath at every point at which the sheet overlaps and at the top and bottom of the slopes. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Primary fixings should be in profile valleys where possible. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.

Use only specialty nails or screws suited for corrugated roof as they should be more water tight and weather proof. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. 2 lay 6 inch wide butyl tape over all horizontally lapping end seams. Apply the cement carefully with a putty knife until you ve sealed the hole completely.

A corrugated metal roof is quieter than pvc when it rains. Urethane roof cement is an excellent product that can help you patch holes on corrugated metal roofing. You will need around 20 nails or screws for one sheet. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.

Obtain some roofing mesh and cut out 2 identical square patches. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Install the roofing screws vertically along each rib in the panel. The general advice for fixing is 4 5 screws across the sheets purlin we advise using 1 screw on the overlap of the next sheet.

Press one patch over the roofing cement. Secure adjoining sheets as well. Secure the screws but do not overtighten. For corrugated sheets the fixings required will depend on the material used in the purlins.

Pierce fixing uses fasteners to attach the sheet to the roof frame. The washer under the screw head should seal to the surface of the panel without bulging or shifting. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head.