Insulation Grade For Attic

The ideal attic insulation r value is different than the ideal wall insulation r value.

Insulation grade for attic.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Houses in a cold climate should have a minimum of r 49 in the attic which is equivalent to approximately 16 of fiberglass insulation. A material with a low r value such as metal is a poor insulator whereas several inches of commercial grade fiberglass insulation would likely have a high r value. Providing a grade i installation is important to delivering a quality energy efficient home.

Inspecting your attic insulation. Up to 2 missing insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home. R value measures how resistant types of insulation are to heat flow.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. You can mix the type and material of insulation too. Insulation level are specified by r value. Warmer climates only require an r 38 or higher or about 12 or more.

Insulation is rated by its r value. The higher the r value the better the thermal performance of the insulation. A grade i designation means that the home insulation is properly installed and without any moderate or substantial defects. We re proud to say our products can be found in some of the tallest and safest buildings around the globe like salesforce tower.

R value is a measure of insulation s ability to resist heat traveling through it. The amount of insulation recommended for your home is dependent on where you live but here are some general guidelines. Achieving greater r values in attics. With a minimum of 70 recycled content the installed thermafiber products contributed to valuable leed credits helping the building earn a leed platinum certification.

Between 2 and 5 missing insulation. Make sure your home is properly insulated in all these locations. 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. Attic roof insulation is as much of an art as it is a science so we will start with the basics and work our way up.

Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. R values vary based on the type thickness and density of the insulation material. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. Occasional very small gaps are acceptable in another place the standards say if the exterior sheathing is visible from the building interior through gaps in the cavity insulation material it is not considered a grade i installation grade ii.

Case study salesforce tower. With r value the higher the value the better of an.