It is also possible that the odor results from the effects of the first leak.
Roof leak smells.
If you have recently had to deal with any kind of leak in your home chances are you ve had to deal with mold and mildew.
Their effects can linger long after the repair has been made in the form of mold growth on the interior surfaces of your home.
Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.
They never occur at a time which is convenient and they can lead to significant damage to the interior of your home.
In the longer term one of the most serious consequences of a leaking roof is mold and mildew growth.
Mildew is a growth usually white in color produced by molds and fungi.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing.
Visible mold growth usually dark green brown or black a musty odor near the area of the roof leak aside from the above visible signs there are also some obvious health side effects that can trigger you to realize you have mold in your home.
It could originate in wet insulation in the attic or drywall that was not properly sealed in the leak area.
Mildew thrives and grows in places that are damp warm and dark.