Wall Insulation R Value Chart Australia

Those in the freezing alpine areas of australia require insulation with at least an r value of 6.

Wall insulation r value chart australia.

Insulation r value is a measure used to determine the thermal resistance of insulation used in the building of homes or office buildings. Insulation in zones 1 and 2 typically require an r value of 3 or 4 while properties in zones 3 to 7 will require an r value of at least 5. Here is a chart and map that details this information. As discussed earlier in australia the bca has specified the r value requirements for all regions across the country.

Insulation r value chart australia. If the r value is followed by hd it means the product is a high density insulation creating a. When an r value is recorded for an insulation type it is specifically measured against that material alone without any additional layers or installation specifics being taken into account. A holistic approach to insulation.

When it comes to choosing the right installation for your home it is not the thickness of the product or the type of material that counts but the r value. The highest rated residential product to fit a 90mm spacing is an r2 7 wall batt. Local climate and budget are two factors which help determine what products are best for your home. R values used in australia conform to the international system of units si while those in the us based on measurements in fahrenheit as opposed to.

The insulation must achieve a minimum r value of 1 0 in zones 1 to 7 and a minimum r value of. The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. A typical australian home has 70mm or 90mm wall studs. Generally climates that need to keep the heat in require higher r values.