Fiberglass Attic Insulation Types

First you ll need to determine your r value.

Fiberglass attic insulation types.

Fiberglass batts cellulose loose fill fiberglass and spray foam. Rigid panels of insulation. Can be used to insulate almost any part of your home from the roof down to the foundation. If it s a new building simply reference the energy code map.

Installing fiberglass attic insulation first time adding insulation to an attic. This type of insulation is ideal for attics with standard spaced beams and joists and very few obstructions. Fiberglass batts cellulose loose fill fiberglass and spray foam are common attic insulation types used. More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate.

These products come in a range of thicknesses from 1 inch to 2 5 inches. We ll walk you through the steps to help you find the right type of fiberglass attic insulation and the right amount. 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. 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.

Sheathing reduces heat conduction through structural elements like wood and steel. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. It s available in fiberglass mineral wool plastic fibers and natural fibers. It is also used when there s a need for insulation that can withstand high temperatures.

First let s discuss the most common types of insulation available for attics. Polystyrene and polyurethane are the most common types of materials used in making foam board. Installing this type of insulation is an.