Attic Insulation Increases Energy Efficiency for a variety of reasons. In winter, a significant amount of heat is lost through the roof, which makes the attic an important area to insulate. In summer, heat gets trapped in the attic thereby heating up the wood beams. As a result, your home warms up and the air conditioning unit works harder.
Attic insulation works like a cap – it traps the heat inside, increasing comfort and efficiency and serving as the first line of defense when protecting against outdoor weather and temperatures.
In today’s world, the efficiency of home insulation is a science and so, of course, there’s a numerical system of measurement. The material’s ability to resist heat transfer is tracked with something called an R-value. As insulation becomes thicker and more effective, the R-value goes up. Not all insulations, however, are created equal when it comes to lower energy bills—even if they have a solid R-value. Take a look at the two most common types of attic insulation for hot climates:
Pink Fiberglass Insulation
This pink-colored material is the most common type of insulation because of its affordable price and efficient R-values. However, it does have some drawbacks. It tends to settle as it ages, meaning it becomes less efficient over time. It’s also prone to rips and tears so if a critter gets into your attic it could cause leaks and a broken seal.
Injection Foam Insulation
This type of attic insulation is installed via liquid foam pumped into the various spaces of your attic, regardless of shape, hardening after several seconds. Its flexible nature means that there will be no area left unsealed. It’s a bit more expensive than pink fiberglass insulation, but the average lifespan of injection foam insulation is about 80 years, compared to 10 to 25 for fiberglass, which means you’ll spend significantly less money over the life of your home.
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