Shed Roof Leaking Through Felt

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.

Shed roof leaking through felt. Some roof leaks are tough to locate. A tiles been missing etc. Here s a quick overview of how to fix a metal roof on a shed. 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.

Except that it relies on hex head screws with thick rubber washers. Due to a low pitch it is easy for water to find its way through if there is not sufficient overlap. 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.

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. 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. Often it s a leaky screw hole or improperly seated sections of roofing. 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.

If you are happy there is a good enough overlap i always go with a minimum of 4 6 inches. 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. Metal roofing is impervious.