Everyone knows about asbestos, but it’s surprising how few people realise how much of a risk lead paint can be – and just how common it is in older Australian homes.
Most of the time, if a tap in your home is leaky, dripping or hard to close it's the result of a broken washer. While it's possible that your leaking tap's a 'washerless' tap (i.e. one with a ball, cartridge or ceramic disc mechanism - see the 'Types of taps' article linked below), it's a lot less likely that these taps will be leaking like this. You can usually tell if you have a ceramic disc type tap because it'll only need a quarter or half turn to fully open the tap.
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Tank storage hot water systems are ideal for larger households. These systems can easily be used (or even adapted) to support a wide range of fuel types.
There are a lot of factors that will affect what sort of subfloor your home uses. It's normally not so much a matter of 'choosing' a subfloor, but of what's right for where you're building, and what you're building.
The Building Code of Australia sets out specific rules about how houses need to be insulated. Find out more about what's required for your house, in your state or territory.