The only company in Chicago to offer 5 year warranty on labor

Lifetime warranty on materials

5 Year warranty on labor

5 Year warranty on mold treatments

We offer 5 year Free Mold Removal Warranty and 10 years Paint Warranty On Entirely Protected Surfaces

Lifetime warranty on materials

5 Year warranty on labor

5 Year warranty on mold treatment

Mold Treatment And Prevention- Green Attic 1

Tired of Chicago winters?

Home is supposed to be a comfortable place. So why do you have to choose between paying an arm and a leg or being comfortable? Attic insulation will help. Do any of these sound like your home?

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Mold found in attics should be remediated by treating the cause.

Determine the cause of the attic mold is crucial prior to treating the sheathing for mold treatment or mold prevention. 

Mold will grow back on a prevention painted surface if the cause is not treated. 

Cost : $1.20 per sq ft prevention. $1.40 per sq ft treatment. 

according to the DOE

Save Up to 50% On Your Heating Bill

Attic insulation is a difference maker. You can pay less every month with lower maintenance costs and live more comfortably.

Mold Treatment And Prevention- Green Attic 2

Mold Growth Again ? 

Attic Mold re-growth is common if the cause is not treated!

Attic mold can re-grow on the attic sheathing ( underside of the roof deck ) of a treated surface is the cause of the mold is not treated. 

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Free Mold Inspection

• Identify Air Leaks • Check for Mold •Roof Stains •Rafter Sag • Excessive Heat Escape From Living Space • Identify  Ventilation • Rusty Roofing Nails • Excessive Humidity • Dusty Seams Collected At Trim In Bedrooms  • Missing Hatch Cover Insulation • Missing Weather Strip • Missing Insulation • Leaky Skylights • Improper Bath Fan Exhaust


In the Chicagoland area you need to have between R-38 and R-60. Realistically, you should be at R-49 or higher.

If you live in an older home, you should have more insulation because it is likely not air sealed the same way a newer home is.

The right type of insulation to use really depends on how each home is built. If you have dropped ceilings, we can often use spray foam insulation. However in other cases blown insulation works best.

Let our insulation experts talk to you about your home and what would be best for you.

Attic insulation cost is between $1.50 and $3.50 per sq.ft. depending on the type of insulation we use, sq.ft. of the house and roof type.

attic insulation

Mold Pricing and Warranty

Green Attic gives our projects a 5 year mold warranty to treat mold and 10 year warranty on mold prevention paint when the attic is air sealed, ventilated and insulated to current standards. 

attic insulation

Green Attic is the right contractor for mold treatment.




    Humidity contributing to mold in your home.

    1. Sometimes, humidity or dampness (water vapor) in the air can supply enough moisture for mold growth. Indoor relative humidity (RH) should be kept below 60 percent — ideally between 30 percent and 50 percent, if possible. Low humidity may also discourage pests (such as cockroaches) and dust mites.

      Humidity levels can rise in a building as a result of the use of:

      • Humidifiers
      • Steam radiators
      • Moisture-generating appliances such as dryers
      • Combustion appliances such as stoves
      • showers 
      • heat escape from the attic floor to roof deck 


    2. Heat escape from the living space is a big contributor to mold growth as a result of cold air from the soffits or roof vents  hitting warm air from the living space that leaked out through the attic floor seams. This is evident from the exterior when icicles are present. Often the attic sheathing ( roof deck ) will  have mold, why? because the heat escape from the living space is creating both condensation and warming of the roof deck. 

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    Mold Treatment And Prevention- Green Attic 3
    Ventilation From Soffits With Baffles In Every Joist Bay

    Ventilation For Attic Mold Prevention

    In addition to proper insulation levels, and air tight attic floor, in the attic, when passive power fan ventilation which is thermostat controlled does not remove excess heat escape from the living space the heat will prematurely melt roof snow creating a serious situation with icicles and the potential for ice dams.