Asphalt or Fiberglass Roofing
One of the more common materials
used is asphalt shingles. Older shingles
were heavy, and when they failed they
crumbled. Modern shingles are lighter because
they are reinforced with a fiberglass matrix.
Fiberglass is used to strengthen the
shingle. These shingles are much thinner
and may be more susceptible to surface
Asphalt / fiberglass shingles come in
different styles and with various lifetime
warranties, ranging from 15 to 40 years.
This may change depending on location,
ventilation and color. Darker shingles
may require more ventilation to prevent
heat buildup, that may cause shingles
to fail early. Poor attic ventilation
can lead to shingles literally baking
from excessive heat, and resulting in
curling and premature failure.
Three tab shingles are evident by the
way key-way lines (slots) run vertically
up the roof. The key-ways are the area
where leaks are more likely to occur.
The shingle below can actually become
eroded through, and expose the top of
the lower shingle, or expose the felt
paper. Strip shingles have no key-ways
and are likely to outlast 3 tab shingles.
Architectural shingles are the most durable
with a double overlay face and heavier
weight. These shingles are meant to create
an enhanced aesthetic look similar to
cedar shingles and be more resistant
to wind. Interlocking shingles are seen
on older homes and were used before tar
strips were used as a self sealant. Tar
strips were implemented to help prevent
We hope that you have
found this article helpful. Please
us if you have questions. This
article is to give you an idea of what
to look for. It is always recommended
that you hire or consult with a professional
and licensed contractor.