Screw the second sheet through the first and into the framing.
How to pre build a roof with corrugated plastic.
How to install polycarbonate roofing available from www sunnyside co nz this shows an installation on a pergola.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
Overlap roof panels one corrugation away from prevailing wind and nail to rafters starting from one end.
For a more secure roof apply caulk sealant between the two overlapping sheets.
Pre cut roof rafters to desired pitch and nail into position.
First of all you want to take the measurement of the roof support.
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.
Pre drill holes and fasten side panels.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
When joining panels you should use silicone sealant along their vertical length and overlap the sheets by one corrugation.
Use aluminum nails with neoprene washers and apply mastic to overlap of one corrugation.
It s also suitable for awnings carports ga.
On this guide we go through the few steps required to build a beautiful roof for you patio.
Build a cover patio is not an exclusive job for professional people.
To install corrugated roofing start by cutting your panels to length with an angle grinder.
Place a second corrugated sheet next to the first with the ridge of the panel overlapping.