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.

Ceiling insulation r value matters. For the purpose of insulation regulations australia is divided into many different. The regulations in the building code of australia bca that apply to home insulation are complicated. The higher the r value the greater the insulation performance.

Know exactly how much you need with our project calculators. 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. 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. 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.

When determining how much insulation you need don t guesstimate calculate. The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. How much insulation does my home need. In australia ceiling insulation is available in a variety of brands and r values ranging from a r3 5 to r7 0.

R value measures how well certain building insulation materials can resist heat. An uninsulated ceiling can contribute to 35 of your homes winter heat losses and summer heat gains. The insulation must be water resistant and be continuous from the adjacent finished ground level to a depth of 300mm or for at least the full depth of the vertical edge of the concrete slab on ground. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

Choosing the best insulation for your home is important that s why we recommend you consider all your options beforehand. 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. 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 solution is ceiling insulation with a sufficient r value. How to install insulation. Those in the freezing alpine areas of australia require insulation with at least an r value of 6.