Types Of Loose Fill Attic Insulation

Loose fill insulation is one of the most common types of attic insulation on the market.

Types of loose fill attic insulation.

Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. It can be effectively blown over existing insulation and. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool.

This simple guide will define each type of loose fill insulation while listing its pros and cons. I d blow insulation on the attic floor after air sealing of course. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Loose fill or batt the common term for blanket insulation.

It comes in many varieties though which can make it hard to choose one. Pros and cons of loose fill fiberglass attic insulation. The big disadvantage with spray foam is cost. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

Now that we know the old attic insulation types on the market the question is whether there is a newer more modern alternative available. Both can be added to uninsulated attics or layered over existing material. This ability to conform makes loose fill insulation well suited for retrofits and locations where it would be difficult to install other types of insulation. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. That s where we come in. If the loose fill insulation is grey puffy and fibrous then that is rock wool insulation.

How to replace it. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. There are three types of blown in insulation.

The type of insulation you need depends on which type is currently installed and the required r value. For diy attic insulation you ve got two choices.