Fixing Corrugated Metal Sheets

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.

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. For corrugated sheets the fixings required will depend on the material used in the purlins. 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. Cladco offer a range of fixings available to fix into most purlin materials.

Step 1 cut the panels to the desired length. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. 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. 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.

Spend over 25 for free delivery or click and collect. For securing corrugated sheeting longer screws are required as you are fixing into the crown of the sheet. When fixing through the sheet directly into a timber purlin a 65mm timber tek screw is recommended. Use a piece of similar style corrugated roofing to patch holes.

Some panels have pre drilled holes. Laying the sheets. Wear hearing and eye protection. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges.

Paint or prime cut edges to prevent rust. Stagger the sheets using a half sheet to start the second row. Commence fixing sheets at the lower edge of the roof at the opposite end to the prevailing winds. We stock corrapol stormproof bitumen more.

For example fixing into wood a 65mm tek screw with a baz washer is suggested. Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters. Buy plastic metal corrugated sheets at toolstation. Most panels come up to 32 feet 9 8 m in length.

As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head.