Attic Insulation Material Ratings

The table below shows what levels of insulation are cost effective for different climates and locations in the home.

Attic insulation material ratings.

A higher insulation r value usually means a higher price point as well. Its expert engineering lets you create the most comfortable environment without compromising your design. Square footage of your attic. Insulation our building science makes insulation br smarter.

Contractor or insulation installer s fee. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. Rigid foam boards trap air or another gas to resist conductive heat flow. Type and material of your insulation.

The main factors that impact the cost are. According to home advisor insulating your attic can cost between 1700 to 2100. Insulation is rated by its r value. R value is a measure of insulation s ability to resist heat traveling through it.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. 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. R value measures how resistant types of insulation are to heat flow. From schools to businesses to family homes our insulation works everywhere.

Here are the most popular options for attic insulation along with a ballpark figure on pricing. Gary ombler getty images. You ll need about 12 inches of insulation material. Rock wool generally costs more than fiberglass insulation.

Insulation level are specified by r value. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity. For every type and material of insulation check the r value per. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

R values vary based on the type thickness and density of the insulation material. The higher the r value the better the thermal performance of the insulation. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. Inspecting your attic insulation.

See the department of energy s doe ranges for recommended levels of insulation below.