Leaks seem to be from nail holes on the runners as this is the lowered shed roof side.
Shed roof leaking through nail holes.
You say the roof has a steel pitch.
For water to drip through the nail holes it has to be melted and essentially standing.
If you find any nail heads that are sticking up from the roof hammer them down and then coat the head with roofing.
Remove the broken shingle.
Here s how to fix a shingle on the wood roof of your shed.
Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Wear gloves when working with sticky roofing cement.
A roofing nail for.
You don t say where on the ceiling that the water is coming through.
Underlayment for metal paneling usually includes plywood sheets with a layer of tar based waterproofing on top of that with the metal installed on top of the waterproofing.
It should run off unles there is something blocking it.
A shingle ripper is a marvelous tool.
You ve got to get the old nails out that held the damaged shingle in place.
Use a hammer and chisel or flat head screwdriver to break up the shingle.