Shed Roof Leaking Through Felt

Bitumen felt should be 100 water tight but it 146 s not a breathable product and can cause condensation this could be the problem if the felt hasn t perished.

Shed roof leaking through felt.

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. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures. 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.

Some roof leaks are tough to locate. Here s a quick overview of how to fix a metal roof on a shed. Sometimes the water shows up at a ceiling spot distant from the leak. Often it s a leaky screw hole or improperly seated sections of roofing.

My shed roof was done with shed felt first and it lasted only about 6 or 7 years the last time i did it with good stuff was about 28 or so years ago and it is still just the same as when it was applyed i glue the joints with mastic and use clout nails every inch or so the glued joints run down the roof dont forget to let the felt overhang. If you are happy there is a good enough overlap i always go with a minimum of 4 6 inches. 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.

With that being said your shed metal roof can fail. 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. Due to a low pitch it is easy for water to find its way through if there is not sufficient overlap.