Corrugated Sheet Fixing Detail
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
Corrugated sheet fixing detail. Laying the sheets. To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5. Start alternate courses of sheets with a half width sheet. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
Step 2 position and fix an additional purlin at the ridge to take ridge fixings. It is important that the maximum support centres given for the type of corrugated sheet being used are not exceeded between purlins. Apply the cement carefully with a putty knife until you ve sealed the hole completely. Obtain some roofing mesh and cut out 2 identical square patches.
A corrugated metal roof is quieter than pvc when it rains. The sheets should be laid to ridge apex to ensure sufficient weathering cover is provided. 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. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.
Cladco offer a range of fixings. For corrugated sheets the fixings required will depend on the material used in the purlins. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head. Commence fixing sheets at the lower edge of the roof at the opposite end to the prevailing winds.
Stagger the sheets using a half sheet to start the second row.