Draught proofing

Draught proofing

One of the simplest and most effective actions you can take to keep your home or business warmer in winter and cooler in summer is to block all the draughts and keep the outside air out!

Here are some examples of where draughts might be coming in:

  • Around windows and doors – anywhere that you can see light coming through from outside! There are many products on the market to help with sealing up these types of gaps or you can have a professional installer come and install some heavier duty ones, which will last longer and ensure that your doors and windows remain easy to close
  • Evaporative cooling ducts – you can purchase specifically designed covers or simply clean the vent and then cover it (clear plastic contact works well) then you can remove the cover when you want to use the air conditioning again
  • Gaps around plumbing can also be a problem and if you’re up for it you can simply fill these with caulking from a caulking gun
  • Through exhaust fans – there are some exhaust fans that have closing blades, so that there is not a gap in your ceiling when the fan is switched off. You can also buy a product called a Draft Stoppa, which simply sits on top of the fan in your ceiling space.

Here are some simple products you can purchase yourself:

  1. Door seals. These are stuck or screwed onto the bottom of your door – providing a more permanent solution to air leaks. These can be used in internal doors as well, if you’re heating one room at a time. Most door seals are easy to install and will be available in all shapes and sizes, from your local hardware store. Door seals attached to doors are preferable to door snakes, as they remain on the door at all times and do not create a trip hazard if left stranded in front of a door!
  2. Weather seals. Once again, these are available at your local hardware store and are easy to install. You just clean the surface, peel away the backing and stick them to your door or window frames to fill in the cracks or gaps.
  3. Draught Stoppa. The extractor fan in your bathroom (and in some kitchens) is effectively a hole in your building envelope and your ceiling insulation. This simple device sits on top of the extractor fan, like a hat and opens only when the fan is on.
  4. Chimney draught sealing. Stop your money flying up and out the chimney, with a chimney balloon. These plastic balloons are cheap, easy to install and available in different sizes. Our draught proofing and insulation supplier has a range of options for chimneys.

For more on how that works you can view this video.

Places to look for draughts

Read here about how David Gordon installed draught proofing to hel his household save money and be more comfortable.

Weatherboard Homes


The above images were taken of two weatherboard houses in Brunswick at 6:30pm on 30/5/2016 with a thermal imaging camera. The lighter the colour (ie yellow areas) the more heat is escaping from this part of the house.

You can see that both homes have heat escaping from the windows, walls and chimneys. The house on the left also has heat escaping from the air conditioning unit and roof which – like over 40% of Victorian homes – doesn’t have adequate ceiling insulation.

More help with draught proofing

Positive Charge has conducted a thorough procurement process to find a reliable and trustworthy draught proofing and insulation installer, who can assess your home or business’s insulation and check for draughts, before recommending and quoting for installing solutions. As with all our recommended suppliers the supplier has been carefully vetted and offers a range of quality products at a very competitive rate, with exclusive discounts.

The assessment takes approximately 1.5 hours, after which you will be provided with a report along with an itemised quote. The cost for this assessment is:

Draught Sealing Assessment only (houses < 185m2) – $165 incl GST

Draught Sealing Assessment and Ceiling insulation inspection (houses < 185m2) – $195 incl GST

For houses over 185m2 it is:

Draught Sealing Assessment only (houses > 185m2) – $195 incl GST

Draught Sealing Assessment and Ceiling insulation inspection (houses > 185m2) – $225 incl GST

Request an assessment for your home. If you are interested in getting draught proofing for your business we recommend you call us on 1300 23 68 55 to discuss your needs.

The same supplier can quote on insulation. If they are coming to deliver a draught proofing assessment then they can assess the insulation at the same time. If you do not require the assessment then ceiling and underfloor insulation can be estimated using satellite imaging and a short phone consultation. Wall insulation estimates can also be provided via phone consultation and questionnaire.

* Homes in outer metro Melbourne suburbs or outside the Melbourne Metro may require a travel fee

If you think you and your home can benefit from this service, then sign up here.

If you are interested in draught proofing for your business call us on 1300 23 68 55 to discuss your needs.

What if something goes wrong?

We require suppliers to have clear warranty and customer service processes to respond to any issue. Our structures, processes and legal arrangements with suppliers prioritise the customer. In the unlikely event that something does go wrong, we’ll be there on your side to resolve any issues. You can read our customer charter here.

Positive Charge is a program of the Moreland Energy Foundation Ltd (MEFL).

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