Insulation slows down conductive and convective heat transfer, while reflective systems reduce radiant heat gain. By resisting heat flow, insulation keeps your home warmer in winter and cooler in summer. For the best performance, a mix of bulk and reflective insulation is recommended.
An insulation product’s ability to resist heat flow is measured by its R-value. The higher the R-value, the better the insulation. The right level depends on your climate, building type, and heating or cooling needs. While the NCC (and BASIX in NSW) sets minimum R-values, exceeding them ensures greater comfort and efficiency.
Acoustic insulation reduces noise by disrupting sound waves as they pass through materials of varying density. Its higher density slows sound transmission, making noise softer and less noticeable, creating quieter and more comfortable indoor spaces.
Wall insulation is usually limited to a thickness of 90mm due to cavity space, so it’s made denser to perform effectively. Ceiling insulation, however, can be installed thicker since space isn’t restricted, allowing for greater thermal performance.