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HP (High Performance) glasswool batts are high-density, Australian-made thermal and acoustic insulation designed for external walls and ceilings. These specialised HP glasswool insulation batts deliver higher R-values than standard glasswool batts in the same cavity depth, making them suited to tougher energy efficiency targets and extreme climate zones. Manufactured with up to 80% recycled content, the material is entirely non-combustible and low allergen.
The R-Value "Sweet Spot" for Australian Homes While standard R4.0 batts offer a budget-friendly baseline, upgrading to R5.0 represents the optimal balance of high performance and long-term value. In Australian conditions, R5.0 batts deliver maximum thermal efficiency without the diminishing returns and significantly higher costs associated with R6.0 or R7.0 alternatives.
This makes the R5.0 HP range the highly recommended upgrade for properties exposed to severe weather conditions, or for builds requiring strict, cost-effective compliance with modern climate control standards.
High Performance Glasswool - Features and Benefits
Higher density: Denser than standard glasswool batts, meaning more thermal resistance per millimetre of thickness to suit tight build-ups and tougher climate zones.Maximum thermal performance: Delivers one of the highest R-values available for Australian homes to ensure consistent temperature regulation throughout the year.Acoustic dampening: Helps reduce noise transfer through external walls and between rooms, as the higher density improves sound absorption compared to standard batts.Non-combustible: Will not catch fire, complying fully with rigorous Australian fire safety standards.Low allergen: Made from up to 80% recycled glass, ensuring a stable composition that is suitable for most households including those with sensitivity concerns.Guaranteed for the life of your home: Built to retain its structural integrity and insulation performance for the lifetime of the residential structure.
Available R-Values and Sizes
HP glasswool batts offer high-performance wall and ceiling R-values in standard 430mm and 580mm widths to match Australian framing. Because higher ratings require greater thickness, confirm your cavity depth before ordering. Never compress these batts during installation, as reducing their thickness lowers the rated thermal resistance. For narrow framing in extreme climates requiring maximum density, see our HP Glasswool Batts.
Our Advice with HP Glasswool Batts
High-performance (HP) glasswool batts feature a much higher density than standard options, allowing them to pack maximum thermal resistance into narrow, restricted cavity depths without altering your framing. Made from up to 80% recycled glass, these non-combustible batts offer a low-allergen profile across a versatile range of wall and ceiling R-values. Always install them at their full nominal thickness, as compressing them lowers their effective thermal resistance. For standard framing cavities where extra density isn't required, standard Glasswool Batts are a highly cost-effective choice. Alternatively, Polyester Batts provide a touch-safe option for underfloors or DIY projects.
HP glasswool batts are available at Kings Insulation across a range of R-values for walls and ceilings. Contact our team today to obtain a detailed product quote.
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