How To Fix Corrugated Metal Roofing Sheets

Laying the sheets commence fixing sheets at the lower edge of the roof at the opposite end to the prevailing winds.

How to fix corrugated metal roofing sheets.

You will need around 20 nails or screws for one sheet. A corrugated metal roof is quieter than pvc when it rains. Use only specialty nails or screws suited for corrugated roof as they should be more water tight and weather proof. Apply the cement carefully with a putty knife until you ve sealed the hole completely.

Position the tape with the release backing on the top. Urethane roof cement is an excellent product that can help you patch holes on corrugated metal roofing. Secure the screws but do not overtighten. 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.

Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run. Press one patch over the roofing cement. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head. 2 lay 6 inch wide butyl tape over all horizontally lapping end seams.

Obtain some roofing mesh and cut out 2 identical square patches. Screws can be fixed through the pan valley or crest for walling applications. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Primary fixings should be in profile valleys where possible.

Install the roofing screws vertically along each rib in the panel. To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5. 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. Secure adjoining sheets as well.

Stagger the sheets using a half sheet to start the second row. Drive them on the ridge of the corrugated roof instead on the lower curve to make them even more watertight. Screws should be fixed perpendicular to the sheeting or cladding in the middle of the rib and always at the top of the crest for maximum water tightness. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.

Sweep the metal roofing sheets of all dirt and debris with a push broom. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. For corrugated sheets the fixings required will depend on the material used in the purlins.