Ceiling Insulation R Value Australia

As well as determining specific r value requirements for different parts of a home they also contain requirements for ventilation and various other related issues.

Ceiling insulation r value australia.

With australia s rising energy prices we recommend choosing the highest r value you can afford. Basically r values range from 1 5 to 7 and the higher the number is the more effective the insulation sheet is at increasing thermal efficiency and thereby insulating your home. Choosing the best insulation for your home is important that s why we recommend you consider all your options beforehand. The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance.

Know exactly how much you need with our project calculators. An uninsulated ceiling can contribute to 35 of your homes winter heat losses and summer heat gains. Without ceiling insulation the indoor temperature will follow the outside temperate and even with a heater on you will likely find yourself struggling to maintain a comfortable indoor temperature especially on those frosty winter evenings. Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. 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. In australia ceiling insulation is available in a variety of brands and r values ranging from a r3 5 to r7 0. How much insulation does my home need.

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 the purpose of insulation regulations australia is divided into many different. Ceiling insulation r value matters. The r value is in essence the measurement of an insulation sheet s ability to resist heat flow.

How to install insulation. The higher the r value the greater the insulation performance. R value measures how well certain building insulation materials can resist heat. The insulation must achieve a minimum r value of 1 0 in zones 1 to 7 and a minimum r value of 2 0 in zone 8.

The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. When determining how much insulation you need don t guesstimate calculate. Those in the freezing alpine areas of australia require insulation with at least an r value of 6.