Attics

Energy efficiency begins in the attic. Did you know that 70% of energy loss is up, not out? This means you'll see the greatest energy savings by upgrading your attic insulation and air sealing. By increasing the efficiency of your attic, a homeowner can begin to see a reduction in energy bills almost immediately.

Energy efficiency is about more than insulation. An efficient attic includes air sealing. According to the Department of Energy, having your home air sealed by a qualified contractor can save up to 20% on heating & cooling costs.

Air Sealing
Air Sealing
Air sealing prevents airflow between a home and the attic. Proper air sealing helps heated and cooled air stay inside the home by closing the gaps that leak air. Think of air sealing like closing a window before running air conditioning – why condition the interior air if you are going to let it sneak out through a gap in your home’s envelope?

Your home may have leaks that are easily spotted though a visual inspection. It likely also has many other holes in its envelope that can’t be easily seen. These air leaks are found around light boxes, plumbing stacks, soffit drops, basement box sills and more.

If you are remodeling your home or building a new home, we recommend insulating top plates. A top plate is also known as the upper wall plate or ceiling plate and isn't something that can be seen or accessed in an existing home. By sealing top plates, you can reduce air transfer from conditioned living space to unconditioned attic space.

Insulating
InsulatingWhen upgrading insulation in existing homes, blow in fiberglass is added on top of existing insulation using one of the following products. This adds R-value to the home and creates a fresh new blanket of protection.

Even newer homes can benefit from upgraded insulation. As building codes increase, nearly all homes need more insulation to ensure they are meeting current standards.

Open Cell Spray Foam
Open cell spray foam insulation works as an insulator and air barrier. The average R-value of open cell foam is 3.7 per inch. Other features of open cell spray foam insulation are:
  • it is vapor permeable
  • is able to accommodate seasonal movement
  • is not a food source for mold
  • dampens sound


Closed Cell Spray Foam
As with open cell spray foam insulation, closed cell spray foam works as an insulator and air barrier. An additional feature of closed cell spray foam is that it is solid. The cells of the bubbles remain intact (closed), which makes the product rigid. The closed cell composition and increased density contributes to a higher R-value than that of open cell foam. This can contribute to building stability during storms and high winds.


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