Fiberglass Attic Insulation Types

Blanket insulation blanket insulation is available in rolls or batts.

Fiberglass attic insulation types.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. First you ll need to determine your r value. 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. First let s discuss the most common types of insulation available for attics.

Blanket batts and rolls are typically constructed with fiberglass although versions made of cotton mineral wool and plastic fibers are also available. Fiberglass batts cellulose loose fill fiberglass and spray foam. We ll walk you through the steps to help you find the right type of fiberglass attic insulation and the right amount. Fiberglass batts cellulose loose fill fiberglass and spray foam are common attic insulation types used.

Because blown in insulation which is fiberglass generally can go on top of the existing insulation the negative thing about blown in insulation is that it makes the attic absolutely impassable when you re done and you need a lot more thickness of it because it has more air inside of it than you would if you used fiberglass bats. This type of insulation is ideal for attics with standard spaced beams and joists and very few obstructions. Sheathing reduces heat conduction through structural elements like wood and steel. Installing this type of insulation is an.

Can be used to insulate almost any part of your home from the roof down to the foundation. These products come in a range of thicknesses from 1 inch to 2 5 inches. Installing fiberglass attic insulation first time adding insulation to an attic. It is also used when there s a need for insulation that can withstand high temperatures.

More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate. Polystyrene and polyurethane are the most common types of materials used in making foam board. If it s a new building simply reference the energy code map.