How To Fix Corrugated Roofing Sheets

A corrugated metal roof is quieter than pvc when it rains.

How to fix corrugated roofing sheets.

Take care to fix the bitumen corrugated sheets the correct way up. For corrugated sheets the fixings required will depend on the material used in the purlins. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Use a piece of similar style corrugated roofing to patch holes.

Cladco offer a range of fixings. The overlaps ends and sides depends upon the sloop of the roof. When joining panels you should use silicone sealant along their vertical length and overlap the sheets by one corrugation. 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.

Corrugations should run in a straight line between the highest and lowest points and at a right angle to the purlins the intermediate supports. Corrugated sheet roofing material is widely available and easy to use. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Use special roofing fasteners rather than standard screws to secure the corrugated sheets as they have a waterproof seal underneath the head that prevents leaks.

You will require either a purlin on rafters or decked roof e g. Modern galvanized steel or aluminum is resistant to rust and can easily last up to 100 years. Make a note of the roof construction. Roofing grade osb or plywood supported on a trussed roof structure as detailed below.

Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters.