Does Blown In Insulation Work

Blown in cellulose is a last resort method of insulating a building.

Does blown in insulation work.

After a few years blown in insulation tends to settle downward by a few inches which slightly reduces its overall thermal resistance known as r value because it leaves a small section at the. Blown insulation contains air pockets trapped between pieces of insulation during installation. Cellulose blown in ceiling insulation is a good choice for diyers. Labor cost of blowing insulation.

Blown in insulation flows down around wall studs. Just about any electrician plumber or contractor who has worked in an attic full of blown fiberglass will preach his words of hate and despise for what he simply refers to as blown insulation but he s making a big mistake. Over time blown in insulation will settle and lose these air pockets reducing its effectiveness. But the important task of preparing the attic is something you can handle on your own.

We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. Materials can be layered for added protection. Blown in fiberglass is considered flame resistant. Insulation efficiently fills gaps.

Especially in older homes wall cavities may have obstructions such as electrical conduit fire blocks and plaster keys that prevent insulation from filling the cavities. The material can be either fiberglass or cellulose and consists of fiber foam or other materials in small particles and can even feel like down. The amount that your blown insulation will settle depends on the material it is made from. Not all blown insulation is made of fiberglass.

It doesn t do very good but require much less investment in time and disruption. It is also able to be blown indirectly over the top of existing insulation as an added layer. Good technicians will have techniques for getting around these obstructions. Blown insulation settles over time becoming less effective.

Blow in insulation is not a perfect solution for walls. Expect to pay more for projects that require a higher r value or thicker insulation. Acoustical drywall will cost in the. Keep in mind that installing insulation around electrical wiring or outlets will likely require the help of a pro.

This type of insulation is able to be blown in parallel to joists in order to fill in the empty space. Blown in insulation also called loose fill runs from 1 to 1 5 per square foot.