Icicles and ice dams are caused when water freezes along gutters or downspouts from a mixture of temperature fluctuation and heat from your home. Heat rising through your roof melts accumulated snow ...

That can be rotted away or torn, allowing water to work its way into the house along the pipe. With any of these problems, ...

Understanding the basics of roof ventilation can prevent expensive repairs later. Learn about how to achieve optimal airflow ...

Most homeowners don’t think about roof ventilation—until they start noticing issues like high energy bills, moisture buildup, ...

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Credit: NASA The experiment will focus on collecting samples of bacteria and fungi near vents. NASA wants to know whether germs can survive the harsh environment and, if so, how far they travel.