Attic Insulation Material Ratings

Type and material of your insulation.

Attic insulation material ratings.

From schools to businesses to family homes our insulation works everywhere. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Inspecting your attic insulation. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Contractor or insulation installer s fee. Insulation with a higher r value will perform better than insulation with a lower rating. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Gary ombler getty images.

Square footage of your attic. Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. The main factors that impact the cost are. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.

The higher the r value the better the thermal performance of the insulation. Here are the most popular options for attic insulation along with a ballpark figure on pricing. Rigid foam boards trap air or another gas to resist conductive heat flow. The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces.

Rock wool generally costs more than fiberglass insulation. Insulation level are specified by r value. Fiberglass insulation rated at r 15 to fit a standard 4 inch wall costs around 0 50 per square inch as of 2013 according to fine. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity.

R value is a measure of insulation s ability to resist heat traveling through it. Its expert engineering lets you create the most comfortable environment without compromising your design. You ll need about 12 inches of insulation material. According to home advisor insulating your attic can cost between 1700 to 2100.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.