Fixing Corrugated Metal Sheets

When fixing through the sheet directly into a timber purlin a 65mm timber tek screw is recommended.

Fixing corrugated metal sheets.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. A corrugated metal roof is quieter than pvc when it rains. From there the method used to fix a particular leak depends on the cause.

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. Using sheet metal cutters. To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5. For corrugated sheets the fixings required will depend on the material used in the purlins.

Corrugated metal profiles for walling applications may be valley fixed providing the sealing element is designed and shaped to ensure a seal against the curved valley profile. Corrugated metal roofing sheets should always be fitted by over lapping by one corrugation and we always advise to start from left to right of a building. Fixing screws should always be screwed into the higher part of the profile when installing corrugated steel roof sheets to purlins and stitch screws are used to stitch the steel sheet to. 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.