In this segment of The Marc and Mandy Show, Mike Payne from No Payne Roofing answers questions about water damage in a roof.
Q: What is attic condensation?
Mike Payne: Attic condensation is when the moisture from inside the home, the warm moisture, comes up through the insulation into the attic and it will condense in the cold air if it is not evacuated properly through a well-balanced ventilation system: through the soffits and through the exhaust at the top. Attic condensation can also occur if you have a short circuit, meaning you have vents that are too low and some that are high and that causes a short circuit.
Q: When doing a roof, do you always replace the flashings?
Mike Payne: In some cases, yes, and in other cases, no. It depends on the age of the house. Most flashings can last about 100 years.
Q: How can I protect my house against ice dams?
Mike Payne: You can protect yourself against ice dams by going inside your attic and making sure that your insulation is not contacting the roof decking and making sure that your soffits are unobstructed and they have proper airflow going through your roof. And then, you can also make sure you have a ice dam underlayment installed on the eve ends and on your valley sections of your roof. The ice dam underlayment makes sure that when the nails go through that they seal, so when water backs up, they cannot leak into your roof.
Q: How do I know if any of the plywood on my roof needs to be replaced?
Mike Payne: Well, you can get up on a ladder and lift up the first course of your shingles and check for swelling or flaking. You can also see if it needs to be replaced by getting on the street and looking for any dips in your roof.
For the answers to these questions and more, check out the video above or visit the No Payne Roofing website.
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