Adding Blown In Insulation To Existing Walls

There are two options for blown in insulation.

Adding blown in insulation to existing walls.

Cellulose is another type of insulation that can be blown into existing walls. For one thing it is quite good at preventing the escape of heat. In addition to this cellulose is surprisingly resistant to many problems such as. First holes are drilled.

If the existing wall does not have sound insulation already blowing in an insulating material may be the solution to soundproof your home. An effective and efficient solution. Removing the wallcovering to insulate the wall cavity just isn t cost effective. If using a filling tube see below you will need to drill a hole large enough to push the filling tube through for each stud bay.

The good news is. There is a way of improving your existing wall insulation though this guide explores how to put insulation into existing walls within your property. The density of the insulation dampens the noise that passes through the wall. A few highlights from the bruce harley book insulate and weatherize.

Adding insulation to a wall is a bit more difficult than adding it to an attic because in a wall the insulation is hidden between the interior and exterior wallcoverings. 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. To install blown in insulation in existing walls holes are drilled at the top of each stud space usually on the exterior and material is blown in via a long flexible hose. It s important to air seal the area before you add new blown in insulation so it works well to keep your home energy efficient.

It is easy and advantageous to add insulation to your external and internal walls and it can be very effective at reducing noise and improving energy use. Unlike loose fill insulation the. Spray foam insulation is an industrial foam. This particular type of insulation is made from recycled newsprint treated with chemicals and has a great deal to offer anyone interested in better quality insulation.

Find out what s in the wall now existing insulation may make it hard to blow in new insulation. For that reason blown insulation. 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. Here is some information on doing a good job on insulating walls with blown in insulation.

It s cheaper and easier to create small penetrations in the wall so that the insulation can be blown in. Installation requires the use of a special pump and long hoses. Adding blown in insulation over existing rolls is not a problem. Spray foam insulation used in existing walls must be installed by an expert to prevent it over expanding and causing cracking or structural issues.

It s unlikely that you ll want to demolish or pull down walls in order to put new insulation in.