Alternatives for Wall Insulation

  • taskforce Building Tools


16/11/2017



Most homes built before the 1980s don't have insulated walls, unless retrofitted. A home with uninsulated closed walls is not comfortable to live in and probably has steep energy bills for the heating or cooling system has work harder, yet the condition of the walls isn’t helping.

Retrofit wall insulation isn’t one of those home improvement projects that you MUST pay for.

Only an analysis of the cost and benefit in relation to your circumstance can help you decide. Here are the top options:

Injection Foam: Mould and mildew resistance is injection foam’s edge against fiberglass insulation. Compared to blown-in cellulose it has better expansion properties, allowing it go into difficult areas.

There are DIY kits but the professional installation is still best.

Fiberglass Rolls: Installing fibreglass rolls is a low cost way to ensure maximum wall cavity coverage. However, the process can be labour-intensive and messy because you to have to take out the drywall, install the fibreglass roll and put the all the screws and bolts back.

Rudimentary tools and skills would be sufficient for the removal and installation, but if you’re not up for the amount of labour, find a tradesman in your area.

Loose-Fill Blown-In Insulation: This type of insulation is basically paper injected into the wall cavities through holes drilled into your walls. Shredded magazines, newspapers, tax form, telephone books and other paper products were treated with boric acid (to make it fire resistance) to make it.

The competition is fierce, keeping the price of blown-in insulation low. However, cellulose has the tendency to settle and leave hollow cavities.

Blowing the cellulose into the walls is something average DIYers can do, but they may be challenged by the need to drill wall cavities.

Blow-In-Blanket System®: In Blow-In-Blanket System (or BIBs), fiberglass wool pellets are injected into the walls using a blower. The pellet doesn’t settle, which means the fill volume will be retained.

BIBs is a new insulation method, which means it is not widely available at moment.



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