Corrugations should run in a straight line between the highest and lowest points and at a right angle to the purlins the intermediate supports.
How to fix corrugated roofing 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.
Purlin spacing should suit the end laps required for the size.
Metal panels are much more durable than asphalt shingles so you won t need to repair or replace your roof as frequently.
When joining panels you should use silicone sealant along their vertical length and overlap the sheets by one corrugation.
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.
A corrugated metal roof is quieter than pvc when it rains.
Make a note of the roof construction.
Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.
Corrugated sheet roofing material is widely available and easy to use.
The overlaps ends and sides depends upon the sloop of the roof.
Roofing grade osb or plywood supported on a trussed roof structure as detailed below.
Cladco offer a range of fixings.
The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets.
Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters.
You will require either a purlin on rafters or decked roof e g.
Use a piece of similar style corrugated roofing to patch holes.