Attic Insulation Foam Vs Fiberglass

Best way to insulate an attic.

Attic insulation foam vs fiberglass.

Few construction topics bore homebuyers more than insulation. You re well aware that heating and cooling account for roughly half of the energy used in the average home. One of the most hotly contested debates in the world of attic insulation is the question fiberglass or spray foam whereas fiberglass has been a classic go to staple insulated in american homes for several decades now spray foam is the en vogue new kid in the neighborhood generating all the latest buzz. Used in roughly 85 of american homes fiberglass insulation is the most common form of home insulation.

Average cost of spray foam vs fiberglass insulation one board foot 12 x 12 x 1 of open cell foam insulation averages 0 45 to 0 80 cents the same amount of closed cell insulation costs between 1 and 2 a square foot of fiberglass costs between 1 30 and 3 50 on average fiberglass batts cost between 0 65 and 1 20 while a square foot of blown in fiberglass costs between 0 50. Insulation project calculator how to install naima r value certification product training videos colab learning video library for pros distributor locator why owens corning insulation propink vs. Fiberglass cellulose and foam dominate the conversation but the. Fiberglass insulation is significantly cheaper than spray foam insulation but it is also less effective especially in extremely cold conditions.

Spf insulation is rarely used in thicknesses of 10 or 15 inches. For example insulating a 10 square foot wall area to r 15 costs about 3 40 to 4 00 with fiberglass insulation while a comparable r value for rigid foam costs roughly 10. And you also know that properly insulating a home helps homeowners save money and makes houses more comfortable. Standard fiberglass insulation in the attic provides an insulating r factor of about 3 2 per inch.

Cellulose insulation is the oldest material used in home. Fiberglass is the less expensive choice for wall insulation and is the simplest to install which makes it an ideal choice for homes in four season climates. Fiberglass insulation is less than half the price of rigid foam insulation when calculated by r value per square foot. Building pros of course know better.

We ve included those values for the r value comparison of spray foam insulation vs fiberglass insulation. Cellulose vs fiberglass vs spray foam. Comparing fiberglass to foam. Quick comparisons and installation tips.

Multiply the total depth in inches of installed fiberglass batts by 3 2 and compare to the department of energy insulation zone map to determine if you need to add more to reach current minimum standards. The cost of spray foam insulation vs fiberglass is higher if you choose closed cell foam. Cellulose attic insulation pros and cons. Fiberglass insulation vs spray foam insulation comparison.