Roof ventilation is a concept that most homeowners don’t know a lot about. Even though it is essential to the normal functioning and the maintaining of the structural integrity associated to most sloped roofing systems, the venting process itself turns out to be quite complex, when you ask your local roofers to explain how it works.
Suffice it to say that the roof itself has its own inner ventilation system, and it is powered by air coming from the exterior and vents that allow air to flow out. This give and take process ensures that condensation doesn’t affect your roof or attic, and that the interior of your roof’s decking and the walls of your attic stay at a normal temperature, and aren’t affected by excessive moisture.
When there are ventilation problems, you can expect the temperature inside your attic to increase. In most cases, this happens because one or more of the vents are clogged, or because there’s a problem with the roof’s ventilation system. If this happens, heat becomes trapped inside the roof, causing condensation to seep moisture through sensitive areas of the wooden decking and your walls.
As a result, the decking can become structurally unsound, being affected over time by mold and moisture. This can lead to the need for extensive roof repair or even a complete replacement. This is why it’s important to keep track of roof maintenance, and have a professional team of metal roofing contractors Omaha hosts check in from time to time, in order to properly inspect your roof.
via Blogger Common Roofing Facts Explained: What Is the Purpose of Roof Ventilation?