Ceiling Insulation R Value Australia

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Ceiling insulation r value australia.

The r value is in essence the measurement of an insulation sheet s ability to resist heat flow. The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance. When determining how much insulation you need don t guesstimate calculate.

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. The regulations in the building code of australia bca that apply to home insulation are complicated. An uninsulated ceiling can contribute to 35 of your homes winter heat losses and summer heat gains. Choosing the best insulation for your home is important that s why we recommend you consider all your options beforehand.

For the purpose of insulation regulations australia is divided into many different. Those in the freezing alpine areas of australia require insulation with at least an r value of 6. R value measures how well certain building insulation materials can resist heat. With australia s rising energy prices we recommend choosing the highest r value you can afford.

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. The higher the r value the greater the insulation performance. How to install insulation. How much insulation does my home need.

The solution is ceiling insulation with a sufficient r value. 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. Ceiling insulation r value matters. In australia ceiling insulation is available in a variety of brands and r values ranging from a r3 5 to r7 0.

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. 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. 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.