Due to a low pitch it is easy for water to find its way through if there is not sufficient overlap.
Shed roof leaking through felt.
With that being said your shed metal roof can fail.
Some roof leaks are tough to locate.
The felt on out 7 x 7 ft pent roof shed lasted about 7 years before one of the overlaps started letting in water partly along the line of the overlap.
Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.
Sometimes the water shows up at a ceiling spot distant from the leak.
Here s a quick overview of how to fix a metal roof on a shed.
A tiles been missing etc.
The felt could be perishing especially if any parts of the roof have been exposed to the elements previously i e.
Except that it relies on hex head screws with thick rubber washers.
If you are happy there is a good enough overlap i always go with a minimum of 4 6 inches.
Often it s a leaky screw hole or improperly seated sections of roofing.
How to felt a shed part 1 of how to felt a shed deals with how to strip old felt from a shed roof without damaging the roof or trims in the process.
Fitting felt to a shed part 2 gives instructions on how to fit roofing felt to a shed roof cutting nailing gluing and replacing wooden trims afterwards.
Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Metal roofing is impervious.