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It sounds overly simplistic, but the way that snow melts on your roof is a sign of how your attic insulation is performing. Roof snow that melts and disappears quickly is a sure sign that the attic is poorly insulated. At the same time, roof snow that stays put is a sign that the attic is properly insulated. Either way, melted spots on the roof are a signal that attic insulation needs attention.
Roof snow melts because heat is escaping from inside the house. And since heat rises, it will eventually reach the uppermost part of the house, which is the attic. Heat loss could be a result of recessed lighting fixtures that aren’t sealed, gaps in poorly installed insulation, or simply an attic that isn’t adequately sealed. Whatever the case, it’s important to stop heat loss and energy waste.
In every home, heat loss (and air leakage) will affect the indoor temperature, the air quality, and seasonal comfort. Worst of all, energy efficiency is compromised, and in wintertime, indoor heat is escaping through the attic and roof. It means that the furnace has to work harder, and heating costs just grow and grow. Melted spots of snow on the roof are an indication that a fix is needed.
At Great Northern Insulation, resolving heat loss (and air leakage) is about choosing an insulation product and installation technique that will seal a space airtight. This is especially true in cavities like the attic and roof where proper sealing makes a big impact. In winter, heated indoor air will not escape, and in summer, warm outdoor air will not intrude. The result: energy efficiency.
For the professional team at Great Northern Insulation, air sealing the attic is best achieved with an application of Spray Polyurethane Foam. Expertly installed, SPF creates an effective airtight space, which blocks air leakage, and therefore prevents heat loss. SPF is a proven application that will also stop moisture from collecting, and will insulate with exceptional R-Value.
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