Australia’s Top Wall Insulation Types: Pros, Cons, and How to Select

27 February 2024

wall insulation

Discover the best wall insulation types for Australian homes with D&D Insulation Services. Explore pros, cons, and expert tips today. Call (03) 8390 5959.

Proper wall insulation is a must if you want to keep your Melbourne home warm and energy efficient. With the right insulation, you can reduce your energy bills, prevent draughts, and maintain a consistent temperature in your home. But with so many insulation types available, how do you choose the best option for your home? This guide covers the benefits, drawbacks, and ideal applications of the most popular wall insulation types used across Australia.

The Importance of Wall Insulation in Australian Homes

With Melbourne experiencing a diverse climate, from scorching summers to chilly winters, the importance of effective wall insulation cannot be overstated. Proper insulation ensures that homes remain cool in the blistering heat and warm during the winter chill, contributing to energy efficiency and cost savings.

Types of Wall Insulation

With so many types available in the market, here are some options that you can consider:

•  Fibreglass Insulation – Fibreglass insulation is one of the most common and affordable options. It consists of ultra-fine glass fibres bonded with plastic or wax into rolls or batts. The pros of fibreglass include its low cost, wide availability, and ease of installation for DIYers. It insulates effectively against heat transfer and reduces noise. However, fibreglass can cause skin irritation during handling and loses its R-value over time. It’s best suited for interior walls in mild to hot climates.

•  Foam Board Insulation – Foam boards made of polystyrene or polyurethane are moisture-resistant, providing excellent insulation for exterior walls. Foam board is lightweight, adds minimal thickness, and offers high insulation value per inch compared to other materials. It’s easy to cut and install, even for curved walls. However, foam board is more expensive than other options and requires careful sealing to perform properly. It’s ideal for retrofits or unfinished spaces like basements or attics.

•  Reflective Foil Insulation – With its ability to reflect radiant heat, foil is a popular wall insulation choice for Australian homes. It’s lightweight, simple to install, and works well in hot climates. Multi-layered foil can achieve insulation values comparable to bulkier materials. Unfortunately, tear resistance is a common issue with foil products. They require an air gap between the foil and wall sheathing to work effectively. Overall, reflective foil insulation is cost-effective for heat control in the right climate and installation.

•  Wool Insulation – Sustainably sourced sheep’s wool makes a natural insulation material. It’s moisture-resistant, fire-resistant, and contains no harmful chemicals. Wool insulates well against both heat and noise. It’s comfortable to handle during installation with no skin irritation. On the downside, wool insulation tends to be more expensive than synthetic options. Wall cavities may require moisture barriers to prevent settling and reduce insulation value over time. For its green profile and performance, wool is ideal for homes in cool to temperate southern climates.

When assessing your home’s insulation needs, consider wall type, climate, budget, noise reduction goals, and sustainability. Here at D&D Insulation Services, we’re insulation experts dedicated to keeping Melbourne homes comfortable in any weather. Reach out to us today for a quote on residential or commercial batt insulation tailored to your property. Our team handles insulation supply and professional installation in Melbourne’s Inner and Western Suburbs and beyond.

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