Replace any missing or rotted siding above the step flashing on dormers.
Leaky shingles on the roof.
Ridge cap flashing gaskets around pipes.
They usually aren t the first place you should look for a leak but once they are old and worn enough they can become a problem.
Most roof leaks that have not sustained.
If you cannot keep the edges of your roof clear with a roof rake or ice melting product an alternative would be roof edge heating cables.
Roof nail leaks can happen when roof nails have been loosened slightly from high winds or have simply pulled out over time.
These nails will eventually rust.
If your roof is old enough you may need to replace it entirely.
Shingles don t last forever.
Recaulk the corner flashing if any areas have hardened caulk.
If shingles get lifted or torn from high winds the damaged shingle exposes nails holding the shingle below it.
And just one rusted out nail can cause your roof to leak every time it rains.
Corroded cracked broken and missing shingles cause leaks and may need to be repaired.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.
Boots the rubber seals that are around the electric service and plumbing vent pipes air vents and exhaust fan.