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Bradford Gold R4.1 Ceiling Batts
Price range: $40.10 through $53.72 inc. GST 39.19339.193
$7.86 p/m² inc. GST
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Ecowool R4.1 Ceiling Batts
Price range: $49.59 through $61.30 inc. GST 49.58849.588
$8.28 p/m² inc. GST
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Bradford Polymax R4.0 430mm
$116.33 per/pack inc. GST 116.325116.325
$38.87 p/m² inc. GST
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Bradford Polymax R4.0 580mm
$155.10 per/pack inc. GST 155.1155.1
$38.42 p/m² inc. GST
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R4.0 Polyester Ceiling Batts – 430mm Width
$40.24 per/pack inc. GST 40.23840.238
$20.00 p/m² inc. GST
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R4.0 Polyester Ceiling Batts – 580mm Width
$54.24 per/pack inc. GST 54.24154.241
$19.98 p/m² inc. GST
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Earthwool R4.0 Ceiling Batts
Price range: $63.87 through $85.98 inc. GST 63.86663.866
$8.54 p/m² inc. GST
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R4 Insulation

When people talk about “R4 insulation,” they’re really talking about the level of thermal resistance – how well the insulation slows the transfer of heat. The higher the R-value, the better the performance, and R4 is right in the sweet spot for Melbourne homes looking to stay comfortable through cold winters and warm summers. It’s a versatile rating that works well in ceilings, walls, and even underfloors depending on the construction. At Insulation Essentials, we work with builders, homeowners, and renovators every day, so we see firsthand how much of a difference the right R-value makes to daily comfort and long-term energy savings.

R4 insulation is available in different materials. They’re designed to improve thermal performance, meaning they help keep heat where you want it. These batts come in both 430mm and 580mm widths, and because we group these options under one simple product listing, our customers can choose exactly what they need without sorting through multiple pages. Whether you’re insulating a new build or upgrading an older property, R4 insulation offers a noticeable jump in comfort and efficiency without overcomplicating the install.

R4.0/R4.1 Ceilings

Bradford Gold R4.1 Ceiling Batts

Ecowool R4.1 Ceiling Batts

Bradford Polymax R4.0 430mm

Bradford Polymax R4.0 580mm

R4.0 Polyester Ceiling Batts – 430mm Width

R4.0 Polyester Ceiling Batts – 580mm Width

Earthwool R4.0 Ceiling Batts

R4 Insulation

R4 Insulation Comfort & Energy Efficiency

R4 Insulation Installation