Ceiling Insulation R Value Australia

The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings.

Ceiling insulation r value australia.

The solution is ceiling insulation with a sufficient r value. 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. How to install insulation. An uninsulated ceiling can contribute to 35 of your homes winter heat losses and summer heat gains.

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

For the purpose of insulation regulations australia is divided into many different. 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. The regulations in the building code of australia bca that apply to home insulation are complicated. With australia s rising energy prices we recommend choosing the highest r value you can afford.

The higher the r value the greater the insulation performance. 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. 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. 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.

Know exactly how much you need with our project calculators. The r value is in essence the measurement of an insulation sheet s ability to resist heat flow. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Ceiling insulation r value matters.

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. In australia ceiling insulation is available in a variety of brands and r values ranging from a r3 5 to r7 0.