Modern galvanized steel or aluminum is resistant to rust and can easily last up to 100 years.
How to fix corrugated roofing sheets.
Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.
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.
You will require either a purlin on rafters or decked roof e g.
When joining panels you should use silicone sealant along their vertical length and overlap the sheets by one corrugation.
Take care to fix the bitumen corrugated sheets the correct way up.
The overlaps ends and sides depends upon the sloop of the roof.
Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters.
Cladco offer a range of fixings.
Corrugated sheet roofing material is widely available and easy to use.
Make a note of the roof construction.
For corrugated sheets the fixings required will depend on the material used in the purlins.
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.
Use a piece of similar style corrugated roofing to patch holes.
A corrugated metal roof is quieter than pvc when it rains.
Roofing grade osb or plywood supported on a trussed roof structure as detailed below.
Purlin spacing should suit the end laps required for the size.