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The Science

What is the R-Value of BioBased Insulation per inch?
R-value is derived from a controlled laboratory test of insulation’s resistance to conductive heat flow. BioBased 501 has an R-value of 4.0/inch.

What is the R-Value of a BioBased insulated wall or ceiling?
In the wall or ceiling of a building, most factory made insulation materials suffer a reduction in performance due to air leakage and infiltration. The insulating value of many building components may be as low as 50% of the nominal R-Value of the insulation they contain. However, the insulation of a wall containing BioBased will perform better or equal to the laboratory tested R-Value of the material because of its air infiltration elimination and long term performance.


Contact Us

OFFICE: (907) 745.SEAL (7325)
FAX: (907) 745.3891

info@polysealinsulation.com

POLYSEAL INSULATION, LLC
PO BOX 4287
PALMER, AK 99645



R Values

Although the importance of insulation in energy efficiency is well known, insulation tends to be a building product that consumers know little about, but directly affects their lifestyles. Many times the connection of insulation to someone's unhappiness with their home's efficiency or well being is overlooked. Insulation is generally only 1-2%, or even less of the total cost to build a home, but it directly affects the costs to live in that home for years to come.

Everyone knows about recommended insulation R-values - the resistance to heat transfer. But few stop to consider the whole story is. R-values are measured under ideal circumstances without the exceptions and details that are so much a part of modern building construction. Windows, doors, dormers, utility entrances, overhangs, sunrooms, and decks make it virtually impossible to seal the building envelope against air migration through the house. In addition, plumbing, wiring, and heating services within the outside wall and throughout the house virtually guarantee that conventional insulation methods will not prevent the in-wall convection currents that reduce actual R-value to a fraction of the theoretical rating. Even if great care is taken with the installation of "economy" insulation types, they are subject to deterioration, movement, and settling as the building surfaces expand and contract.

BioBased 501 foam expands 100 times when it is sprayed into place - sealing holes, cracks, rough-in openings, perimeter joists, and other areas that conventional methods can't touch. Then, BioBased 501 stays in place. It flexes with the building, maintains its seal, and keeps its shape so that the "R-value" remains true for the life of the building.


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