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Protecting up to 60% of your home’s exterior surface, your roof plays a crucial role in protecting your home from severe weather, heat and cold. ProVia has engineered a complete metal roofing system with components engineered to work in concert that protect from the elements outside to prevent long-term damage inside. To do that, your roof needs to provide proper attic ventilation.
In the winter, the attic air under an unvented roof becomes warmer than the outside air, allowing snow to melt. The melted snow can travel to the eaves, where it can re-freeze and back up under shingles, contributing to ice dams that can ultimately damage your home.
As the ice dams under your roof melt, they can stain and damage ceilings, flooring and walls. The moisture can soak the insulation in your attic, causing it to lose R-value, and turning it into a welcoming environment for mold and mildew.
In the summer, an unvented roof will make the overall home hotter and harder to cool, increasing air conditioning expense.
Proper venting, however, makes all the difference. In winter, it allows the roof to remain cold, which prevents the snow from melting and contributing to ice dams.
In the summer, venting allows hot air to escape, keeping the overall house cooler, lowering energy costs and reducing roof deterioration. Roof system ventilation also reduces indoor temperature extremes in the summer, keeping the upper and lower floors at a more even temperature and increasing a home’s overall comfort.
Ventilation provides another important advantage because it allows built-up moisture to escape. This reduces condensation and lessens the risks of mold, mildew and fungus growth. It also minimizes the likelihood of wood rot.
Air enters the roof through soffit vents and rises to the top of the attic as it warms up. Vents at the ridge of the roof (where the two sides meet at the top) allow the warmer air a natural exhaust point.
Proper ventilation is an integral component of ProVia’s metal roofing system, which was designed with high performance and long life in mind. Our steel roofing system is comprised of five main elements, each providing important benefits:
Whether you live in a hot climate or cold climate – or somewhere in between, ProVia’s metal roof system provides outstanding value and unparalleled protection for your home.