Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge.
How to install tin roof panels.
Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles.
Moreover a corrugated metal roof is highly durable and will last for decades.
Secure the screws but do not overtighten.
When you decide to install corrugated metal roofing you just need to make sure that you have the right materials.
The good news is that there are many different solutions in terms of installing metal roofing panels including tin aluminum and steel.
Always begin working at the point with the longest peak to eave distance.
These will stop the entry of rain wind and pests.
Close or seal off the ends with a wood or plastic strip under the panel at each end.
The washer under the screw head should seal to the surface of the panel without bulging or shifting.
Take care the first piece is aligned precisely perpendicular square to the edge.
In many cases it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements.
Add the metal panels.