Installing foil backed blanket insulation is also a great idea if you are building a flat roof or cathedral ceiling.
Roof insulation ratings australia.
Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value.
Different insulation options are right for different states in australia.
The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings.
Here s a handy guide to see what kind of roof and wall insulation will suit your home.
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The blanket becomes compressed over the battens but sags in between creating a cushioning air gap to provide further insulation.
By looking at insulation as a long term investment spending a couple of extra hundred dollars on the right insulation now can save you thousands over the life of your home.
For your home s insulation to be properly compliant the building envelope must be constructed so that it satisfies.
The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance.
All insulation materials that are sold in australia must meet australian standard as nzs 4859 materials for the thermal insulation of buildings even if they are imported.
Part 3 12 of the building code of australia housing provisions bca as nzs 4859 1 materials for the thermal insulation of buildings.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
The r value is in essence the measurement of an insulation sheet s ability to resist heat flow.
The sheets themselves are not created equally.
Roofing thermal insulation material fletcher insulation australia is the leading company in producing best thermal insulation materials for your roofs.
The manufacturer s specifications to ensure that the product performs as tested.
With australia s rising energy prices we recommend choosing the highest r value you can afford.
Compare the environmental benefits of different products.
Each sheet is created with different r value ratings.
Insulation sheets come in various different materials and structures including foil bulk foam and more.