The pre drilled holes should be eight to ten millimeters in diameter and two millimeters wider than the fasteners you are using to allow room for expansion when the roof is exposed to heat.
Fitting plastic corrugated roof sheets.
The gutters within them when placed at a slant help excess water to drain off the roof surface which prevents damage in the long term.
To install corrugated roofing start by cutting your panels to length with an angle grinder.
These strong yet lightweight roof sheets can be used on porches canopies rooflights cloche.
How to fit corrugated pvc sheets corrugated pvc sheeting is an economical roofing material that is available in many different colours or can be.
Ideally you should aim to have the fasteners at the high point of every fourth corrugation.
When purchasing the pvc corrugated sheets remember that the sheets need to overhang the verge of the roof by 2 inches.
Corrugated roof sheets are a popular choice for a small workplace and come in galvanised metal for example steel and plastic pvc.
Mark a cut line along the right and left sides and along the middle of the sheet using a.
The installation of plastic roofing is much easier if you drill the holes for the fasteners in advance.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.