R Value Loosefill Attic Insulation

Compare insulation r values before you buy.

R value loosefill attic insulation.

Like cellulose you need a big machine to blow it in. For example if your home has cellulose insulation at a depth of 8 inches between the joists the attic insulation has an r value of 3 7 times 8 or 29 6. Unbonded loosefill insulation owens corning propink l77 pink fiberglas unbonded loosefill insulation is an alternative to roll or batt insulation in attics new construction or retrofit applications. The higher the r value the greater the insulating power.

An insulation r value chart or table can assist you with the calculation to ensure your attic or wall r values are adequate for your. Pros and cons of loose fill fiberglass attic insulation loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. For loose fill insulation each manufacturer must determine the r value of its product at settled density and create coverage charts showing the minimum settled thickness minimum weight per square foot and coverage area per bag for various total r values. R means resistance to heat flow.

You can achieve better thermal performance in your attic by adding an additional layer of insulation. Propink l77 product data sheet pdf 368 kb. Insulation depth depending on your climate energy codes require varying r values for ceiling insulation. Just how much you need for your residential or commercial building depends on a number of factors such as your heating system and location.

The r value of loose fill cellulose is r 3 2 to 3 8 per inch2. Achieving the desired r value depends on both the depth of the insulation and its density. There are other factors to consider. You will need a higher r value of insulation if you live in the northeast than if you live in southern california.

Recycled glass or sand that s melted and spun into fibers. Where you live different climates require different insulation r values. This is r value loose fill cellulose insulation read this before you buy what you should know about r values the chart shows the r value of this insulation. The higher the r value the greater the performance of the insulation.

Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. The higher the r value the better the thermal performance of the insulation. Loose fill fiberglass has an r value of r 2 2 to 2 7 per inch3.