Air Sealing Where It Counts


This graph shows which structural air-leaks drive up energy costs the most, allowing you to maximize efforts toward reinforcing your home’s building envelope.
Your homeā€™s attic usually has the largest opportunity for improving energy savings and comfortĀ . Even homes that might be considered ā€œnewerā€ often have insufficient levels of insulation for our climate. If youā€™re considering adding insulation to your attic, the first and most important step is air sealing. Without it, you wonā€™t get the full benefits of your insulation investment.
ā€œInsulation is like a fuzzy wool sweater on a winter day. It will certainly keep you warm if the air is calm. But, if the wind picks up, you are going to need a windbreaker to keep the breeze from carrying away the heat. Air sealing is like adding the windbreaker. It keeps the conditioned air where it belongs.ā€
U S Department of Energy

If your home experiences any of these problems, it might be a good candidate for an attic air sealing project:

  • Drafty rooms
  • Hot and cold rooms; uneven temperature between rooms
  • High heating or cooling bills
  • Dry indoor air in winter
  • Dust (especially in rooms directly below the attic)
  • Insects in your home
  • Musty smells

Air leaks in most attics can surprisingly equal the size of a window open year round. Caulking and spraying canned foam are the most effective air sealing techniques that offer quick returns on investment, often one year or less. Caulk is generally used for cracks and openings between stationary house components such as around door and window frames, and weatherstripping is used to seal components that move, such as doors and operable windows. Canned foam is used in larger gaps or penetrations. If you have canned (recessed) lights in the floor of your attic, they should be covered and sealed before adding insulation. The access to your attic, be it stairs, a pull-down ladder, or a simple hatch should be sealed and insulated as well.

At Weatherseal, we strongly encourage air sealing as the best practice in our industry. Our team of energy efficiency experts can locate the source of your leaks create a plan for sealing them before installing new insulation in your attic. Contact us to find out how we can save you 10-20% on your energy bills and make your home more comfortable.

The graph below shows which structural air-leaks drive up energy costs the most, allowing you to maximize efforts toward reinforcing your home’s building envelope.

This image comes fromĀ http://www.builderonline.com/energy-efficientconstruction/5-penetrations-that-provide-the-most-bang-for-your-air-sealing-buck.aspx

SERVICES WE PROVIDE
Foundation Waterproofing

Using Mar-flex 5000, we can waterproof any structure with an adhesive seamless barrier that coats your foundation with a high-quality membrane.

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Spray Foam Insulation

The spray application method allows for continuous insulation and an air sealing barrier on walls, roofs, in tight corners, and all contoured surfaces.

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Cellulose Insulation

Made of 75-85% recycled paper, cellulose is the most environmentally friendly and efficient way to insulate your new or existing residential or commercial buildings.

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Green Remodeling

Beyond energy efficiency, weā€™ll work with you on a number of eco-friendly building improvements that help you qualify for certifications such as LEED for Homes or ENERGY STAR.

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Fiberglass Insulation

Made of up to 40% recycled materials, fiberglass is available as blown-in loose fill, rolls, or batts, and is one of the best ways to reduce your energy bills.

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Radiant Barriers

In a climate such as Virginiaā€™s, radiant barriers or ā€œfoil insulationā€ can be used in tandem with other materials to reduce cooling bills in the summer.

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Energy Audits

Weā€™ll find the leaks and shortfalls of your current insulation, then provide a cost-effective plan that works for you and your project.

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Weatherization

Optimizing your buildingā€™s energy efficiency is one of the best investments you can make for comfort, lower bills, a reduced carbon footprint, and air quality.

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Crawl Space Encapsulation

Vented crawl spaces are no longer the way to go. Reduce excess moisture and prevent mold growth by isolating the crawl space from outside moisture.

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Mold Remediation

From the lab test to the mold removal to prevention systems, our whole-home approach to air quality ensures comfort and safety for your family.

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