Leaking
in attic
after driving rain?
Possible causes:
Leaky or inadequate shingle underlayment:
deteriorated flashing.
|
Blistering
and/or peeling of outside paint?
Possible causes:
Excessive moisture or high humidity due to poor
attic ventilation. |
Missing,
cracked
or curling shingles?
Possible causes:
Shingles have reached their useful life. |
Roof
shingle, sheathing,and siding decay?
Possible causes:
Poor attic ventilation. |
Stains
on interior
ceilings or walls?
Possible cause:
Inadequate or faulty shingle underlayment
allowing leakage
from ice dams |
Dark,"dirty-looking"
areas on your roof?
Possible causes:
Environmental pollutants;
vegetation, fungus or
algae growth: Loss of granules
due to age of shingles. |
Excessive
energy
costs?
Possible cause:
Insufficient attic ventilation causes
heating/cooling
system to run
excessively. |