Your roof is subject to many different conditions and environmental
factors that can cause leaks. Here are some of the most common:
- Very
often, wind can knock trees against your roof. When this happens repeatedly
over a long time, this can loosen shingles and cause leaks. In more extreme
weather, falling branches or entire trees may even cause more significant
damage. One preventative tip is to make sure that trees near your house are
kept trimmed, so they can’t knock into your roof.
- Flashing
is the metal strip around pipe vents, wall intersections, and chimneys. It’s
designed to prevent leaks, but if it’s missing or damaged, leaks can occur. If
you notice leaks around a chimney or vent, it very likely has to do with the
flashing.
- Seams,
if sealed improperly, can also be a source of leaks. This most often happens
where shingles are flush against something like a chimney.
- Missing
or damaged shingles can cause leaks. If your roof is old, or if it has seen a
lot of traffic from gutter work, power washing, or painting, some shingles may
in time come loose. Sometimes roof access is necessary but remember to limit
wear on your roof as much as possible.
