Ceiling Insulation R Value Australia

How to install insulation.

Ceiling insulation r value australia.

R value measures how well certain building insulation materials can resist heat. The higher the r value the greater the insulation performance. 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 much insulation does my home need.

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. When determining how much insulation you need don t guesstimate calculate. 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. With australia s rising energy prices we recommend choosing the highest r value you can afford.

The solution is ceiling insulation with a sufficient r value. Those in the freezing alpine areas of australia require insulation with at least an r value of 6. 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.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. 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. Ceiling insulation r value matters. Choosing the best insulation for your home is important that s why we recommend you consider all your options beforehand.

The r value is in essence the measurement of an insulation sheet s ability to resist heat flow. The r value is a measure of the insulation batt s resistance to heat flow also known as thermal resistance. The regulations in the building code of australia bca that apply to home insulation are complicated. 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.

Know exactly how much you need with our project calculators. The greater the r value the greater the resistance to heat transfer and the greater the insulating effect and subsequent energy savings. For the purpose of insulation regulations australia is divided into many different.