Wear gloves when working with sticky roofing cement.
Shed roof leaking through nail holes.
For water to drip through the nail holes it has to be melted and essentially standing.
You ve got to get the old nails out that held the damaged shingle in place.
You don t say where on the ceiling that the water is coming through.
Use a hammer and chisel or flat head screwdriver to break up the shingle.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Here s how to fix a shingle on the wood roof of your shed.
Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.
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.
Metal outbuilding shed roof repair archive chronicle converted outbuilding roof repair addition.
If you find any nail heads that are sticking up from the roof hammer them down and then coat the head with roofing.
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.
You say the roof has a steel pitch.
Remove the broken shingle.
A shingle ripper is a marvelous tool.
It should run off unles there is something blocking it.