Types Of Loose Fill Attic Insulation

The type of insulation you need depends on which type is currently installed and the required r value.

Types of loose fill attic insulation.

Loose fill or batt the common term for blanket insulation. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Both can be added to uninsulated attics or layered over existing material. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool. There are three types of blown in insulation. 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. Pros and cons of loose fill fiberglass attic insulation.

The big disadvantage with spray foam is cost. 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. I d blow insulation on the attic floor after air sealing of course. Loose fill insulation comes in a variety of materials.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. This simple guide will define each type of loose fill insulation while listing its pros and cons. If the loose fill insulation is grey puffy and fibrous then that is rock wool insulation.

It can be effectively blown over existing insulation and. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. The most common insulation materials are fiberglass cellulose and foam. Now that we know the old attic insulation types on the market the question is whether there is a newer more modern alternative available.

How to replace it. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. For diy attic insulation you ve got two choices.

It comes in many varieties though which can make it hard to choose one. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.