All of this leads to a much higher risk of the metal panel joinery being inundated even submerged in water.
Low pitch roofing iron.
The major issue is the low pitched valleys more that the roof itself.
This article defines low slope roofing and describes low slope roofing materials choices installations inspection defects roofing repairs and product sources.
Thus low slope metal roofing characteristically involves very long length metal panels directing a large volume of rainfall and draining that water at a slower velocity due to the comparatively flatter roof surface.
Definition of low slope roofing.
A low pitched corrugated roof with many valleys is a problem.
The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot.
Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.
Low slope roofing inspection design leak detection repair procedures.
Their fasteners are either concealed or screwed at the top of a ridge which makes them less likely to leak.
I would not contemplate trying to modify the existing roof.
But the taller profiles like standing seam and pbr shown below can be installed on roofs with as low as 1 4 or 1 2 in 12 pitch.
Recommended materials to use on low slope roofs.
The standard of lower pitch actually ranges between 1 12 to 5 12.
We discuss the following.