Can You Blow Insulation Into Walls

Blown insulation is a more recent development that greatly simplifies the application process.

Can you blow insulation into walls.

Usually people use it on top of an already existing cellulose installation mostly because it comes with extra fire retardance. Instead of rolling out layers and cutting them to size you simply cut a hole in a wall and blow in the insulation. The insulation usually is made of a combination of fiberglass and treated cellulose. 1 use a stud finder to locate studs in the wall.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Just as filling a conch shell with sand will. Blow in blanket system bibs is the trademarked name for a patented new construction method of insulating walls with blower injected insulation that can be used for either open or closed walls. On open walls a fabric sheath is attached to studs providing a type of cage that contains blown in fiberglass not cellulose insulation in pellets and other forms.

Unless your home is going through some remodeling where the walls are being opened up holes need to be bored into the walls and insulation injected. Attacking the project from the interior is a bit messier but also less expensive. Here the traditional favorite is blow in cellulose insulation although spray in foam is becoming steadily more common. Your best bet is insulating from the outside.

It s cheaper and easier to create small penetrations in the wall so that the insulation can be blown in. With closed walls you have few other choices but to blow in insulation. Handy homeowners can install blown in insulation in the attic. For that reason blown insulation is usually the preferred choice when you have to re insulate a completed wall.

You can put it in your walls attic crawl space and even under the floors. It s also the cheapest which is part of what makes it so popular. Fiberglass is one of the most common types of blow in insulation. It comes in blocks and you have to use a machine to blow it into the walls of your house.

Repeat this step between each pair of studs. Before you blow insulation into the wall cavity it is filled with air and the air creates a resonant space that actually amplifies incident sound.