The Effects of Melting Snow and Roof Leaks
Looking after the roof of our house is the first and
possibly most important step to caring for the long-term
life of any house. Roof leaks are obviously a big
problem in any house but knowing the correlation between
melting snow and roof leaks can help you to prevent one
of the major problems that many houses face. When snow
melts and runs down the roof it often refreezes as it
reaches the edge of the roof and the gutter. You’ve
probably stood back in awe looking at these ice dams
that form, but these can cause havoc with the integrity
of your roof. However, they are relatively easy to
prevent and doing so will undoubtedly save you money and
heartache in the future.
How ice dams form.
The warmth from your house melts the snow on the top of
your roof because this is the warmest part of your roof.
As this melted snow runs down the roof underneath the
snow it then reaches the roof edge, which is at sub zero
temperature; this drop in temperature causes the
snowmelt to refreeze creating the dams that you often
see on people’s houses in winter. The weight of these
dams can cause a problem itself, however, the real
problem occurs when further snowmelt collects in pools
against the dams. This water eventually runs through the
roof and into the house. Understanding this connection
better melting snow and roof leaks is the first step to
preventing it, and you basically have two options in
order to do so.
Control the roof temperature.
There must be sub zero temperatures in order for the
snow to be created initially, there then must above zero
temperatures to melt the snow and there must be further
sub zero temperatures to create the ice dams. Without
all three of these factors you will not suffer from ice
dams. For instance your shed is very unlikely to suffer
ice dams because the entire surface of the roof is at a
sub zero temperature. This means there is no build up of
ice around the eaves. It is virtually impossible to keep
the whole of your roof at temperatures above zero during
very chilly winters, but it is possible to keep a new
roof entirely at sub zero temperatures without
compromising the temperature of the house. In order to
avoid melting snow and roof leaks you need to have very
good insulation, ventilation and an effective air
barrier. This keeps the warm air in and the roof at a
constant temperature thus eliminating melting snow and
roof leaks from occurring.
Protection for the perishable areas of your roof.
In many cases you can use a rubber membrane that is
attached directly to the roof and the shingles are then
added on top. The membrane is actually self-healing so
the rubber will heal around the nail holes you create
when attaching the shingles. This means that the
delicate areas of your roof will be protected in the
event of ice dams forming. This can be an effective way
to control melting snow and roof leaks in older roofs
that are not being replaced.
Steven Briesemeister who is the owner of
http://www.roofer911.com has 33 years experience in all
types of roof repair problems and new roof installation
for residential and commercial accounts. As a Long
Island and Northern Virgina roofing contractor, we
believe, "Quality Doesn't Cost...It Pays! For more roof
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If you are looking for Columbus Snow and Roof Leak services, please call us today at 614-263-8899 or complete our online request form.
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