R7.0 Knauf Earthwool Ceiling Insulation Batts
$79.80
R7.0 Earthwool has been engineered by Knauf Insulation to meet the rising demand for energy efficiency and 7 Star Compliance. This product is designed to go over the timber joists and reduce thermal bridging, which means you do not need to deduct 10% for framing.
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Description
R7.0 Earthwool Ceiling Insulation Batts
Knauf Insulation proudly introduces the R7.0 Earthwool Ceiling Insulation Batts—a groundbreaking solution designed to meet the growing demand for energy efficiency and 7 Star Compliance. As the thickest ceiling insulation product currently available in Australia, R7.0 Earthwool sets a new standard in home insulation.
Featuring an innovative ‘over-wide’ design, it eliminates thermal bridging to deliver superior real-world performance compared to standard R7.0 batts or double-layer systems using R3.5 insulation. It also installs up to 40% faster than traditional double-layer methods, saving both time and labour costs.
With a thickness of 330mm, R7.0 Earthwool meets National Construction Code (NCC) requirements without compromising your current installation process—no batt notching required. It’s a smarter, more efficient choice that keeps energy costs down while reducing environmental impact.
Benefits of 7.0 Earthwool Insulation
- Soft to handle
- Low-itch
- High thermal performance
- Installed in a single layer – no notching
- Overwide to reduce thermal bridging
- Advanced compression packaging
- Non-combustible
- Non-hygroscopic
- 50 year manufacturer warranty
- Made using recycled glass
- ECOSE® Technology – no added formaldehyde
- Does not sustain vermin
- Will not encourage the growth of mould, fungi or other bacteria
Additional information
| Location | South Australia, Victoria, New South Wales |
|---|---|
| Width | 460mm, 620mm |
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Choose Your Date
At online checkout, you can select your preferred delivery or pickup date. We’ll get in touch with you on the same business day to confirm the details.
Fast Deliveries
Standard orders arrive in 1–2 business days for metro areas and 1–3 days for regional areas. Certain items may take longer, as noted on their product pages.
Delivery Pricing
Insulation delivery starts from just $99 in Melbourne, Sydney, Brisbane, Adelaide, and Canberra. For regional or island delivery rates, please click here or get in touch with us.
Leave or Sign
If you won’t be home on delivery day, leave a note at checkout with instructions on where to leave your order. Be sure to choose a dry, sheltered area.
Returns
Returns are accepted within 30 days of purchase and may include a 15%–30% restocking fee. Custom-made items are not returnable. See our Returns Policy for full details.
Warehouse Pickups
Pickup locations vary by brand. Contact us to find the closest pickup point in your state. Standard orders are usually ready within 1–2 business days.
Regional Delivery Prices
The delivery price will be calculated at the checkout based on your postcode. For a custom delivery quote please contact us.
New South Wales
NSW
- Sydney $99
Same day deliveries available! - Blue Mountains $180
- Central Coast $150
- Mittagong $180
- Newcastle $250
- Wollongong $180
- Other – Contact Us
Call 0469 096 420 or email info@oginsulation.com.au
Victoria
VIC
- Melbourne $99
Same day deliveries available!
- Ballarat $160
- Castlemaine $155
- Frankston $120
- Geelong $120
- Macedon $105
- Mornington Peninsula $130 +
- Philip Island $190
- Yarra Valley $99?
Delivery starts at $85
- Other – Use Cart Calculator
Other locations → please go to the cart page and calculate the price.
Queensland
QLD
- Brisbane $99
Delivery within 1-3 days!
- Gold Coast $110
- Noosa $150
- Sunshine Coast $110
- Toowoomba $150
- All Islands – Contact Us
Call 0469 096 420 or email info@oginsulation.com.au
- Other – Contact Us
Call 0469 096 420 or email info@oginsulation.com.au
OG Insulation Insulation Returns Policy
You may return unused insulation to OG Insulation, provided the following conditions are met:
- Returns must be made within 30 days of purchase.
- Products must be in original packaging and in resalable condition. We do not accept returns on wet or damaged items.
- A restocking fee of 15% applies to glasswool, polyester, and rockwool insulation.
- Foam and rigid insulation products will incur a 30% restocking fee.
Important note:
- Custom-made items are not eligible for return or refund.
- Some suppliers restrict returns in specific states—check the product page for details.
You can either return goods to the original warehouse or arrange a courier pickup at your cost. Contact us on 0469 096 420 for assistance. Not sure how much insulation you need? Email our team at info@oginsulation.com.au we’re here to help!
Product Specifications
| R-Value | Width (mm) | Thickness (mm) | Area (m²) | Pieces |
|---|---|---|---|---|
| 3.0 | 430 | 145 | 11.5 | 23 |
| 3.0 | 580 | 145 | 15.5 | 23 |
| 3.5 | 430 | 175 | 8.5 | 17 |
| 3.5 | 580 | 175 | 11.4 | 17 |
| 4.0 | 430 | 195 | 7.5 | 15 |
| 4.0 | 580 | 195 | 10.1 | 15 |
| 5.0 | 430 | 210 | 5.5 | 11 |
| 5.0 | 580 | 210 | 7.4 | 11 |
| 6.0 | 430 | 275 | 5.5 | 11 |
| 6.0 | 580 | 275 | 7.4 | 11 |
| 7.0 | 460 | 330 | 4.3 | 8 |
| 7.0 | 620 | 330 | 5.8 | 8 |
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