Fixing Corrugated Metal Sheets

For corrugated sheets the fixings required will depend on the material used in the purlins.

Fixing corrugated metal sheets.

It is important that the maximum support centres given for the type of corrugated sheet being used are not exceeded between purlins. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Use a piece of similar style corrugated roofing to patch holes. Step 1 cut the panels to the desired length.

Spend over 25 for free delivery or click and collect. Buy plastic metal corrugated sheets at toolstation. Most panels come up to 32 feet 9 8 m in length. If yours do not.

Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges. Wear hearing and eye protection. 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. When fixing through the sheet directly into a timber purlin a 65mm timber tek screw is recommended.

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 roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Paint or prime cut edges to prevent rust. Commence fixing sheets at the lower edge of the roof at the opposite end to the prevailing winds.

We stock corrapol stormproof bitumen more. Angle grinder 1 x research source the fastest option. Cladco offer a range of fixings available to fix into most purlin materials. Laying the sheets.

Some panels have pre drilled holes. For securing corrugated sheeting longer screws are required as you are fixing into the crown of the sheet. 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 sheet or to fix to steel flashings. Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters.

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.