Corrugated Sheet Fixing Detail

Patching materials for metal corrugated roofing sheets urethane roof cement is an excellent product that can help you patch holes on corrugated metal roofing.

Corrugated sheet fixing detail.

Laying the sheets. Apply the cement carefully with a putty knife until you ve sealed the hole completely. The sheets should be laid to ridge apex to ensure sufficient weathering cover is provided. Stagger the sheets using a half sheet to start the second row.

Cladco offer a range of fixings. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Obtain some roofing mesh and cut out 2 identical square patches. To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5.

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. 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. Step 2 position and fix an additional purlin at the ridge to take ridge fixings.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head. It is important that the maximum support centres given for the type of corrugated sheet being used are not exceeded between purlins. Start alternate courses of sheets with a half width sheet.

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