Green Insulation Technologies

Developer and Manufacturer of Soy and Castor Based
Spray Foam Insulation

Products Shipped to 35+ States, Europe, Asia, Caribbean
Some of staff at Green Insulation Technologies
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Green Insulation Technologies
11614 St Rt 88
Garrettsville, Ohio 44231
Phone: (330) 527-FOAM (3626)
Fax (330) 527-3627
E-mail


Leading Technology to a Sustainable Future



ESTIMATING TOOL


Below are guidelines to estimate the amount of foam product required to obtain your desired R-value.

A board foot (BDF) is equivalent to 1 square foot with 1 inch of foam.

  • Step 1. Take the dimensions of the desired coverage area.
  • Step 2. Determine the type of foam to be used for the application (i.e., half, 1.0 1.7 pound)
  • Step 3. Determine the desired R-value
  • Step 4. Determine yield for the type of foam being considered
  • Step 5. Use the below product information for your calculation
Half pound foam - R-value 3.8 per inch; Yield 15,000-18,000 BDF
1.0 pound foam - R-value 4.6 per inch; Yield 8,000 - 10,000 BDF
1.7 pound foam - R-value 6.6 per inch; Yield 4,000 - 4,500 BDF


EXAMPLE #1:

1. The job is equivalent to 2,000 square feet.
The desired R-value is a minimum of 11
If using open cell (half pound) foam you would need just under 3" of foam (desired R-value) 11 divided by 3.8 R per inch = 2.89 inches.

The job size requires 5,780 BDF (2,000x2.89)




EXAMPLE #2:

2. The job is equivalent to 2,000 square feet.
The desired R-value is a minimum 38
If using closed cell (1.7 pound) foam you would need just Under 6" of foam (desired R-value) 38 divided by 6.6 R per inch = 5.76 inches.

The job size requires 11,520 BDF (2,000x5.76)