



Fresh look, Same GIBS quality. You may still receive items in our original packaging while we roll out our new branding.





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Reflecta-Floor 500 Plus™
Built For
Aussie
Conditions

5.0
Install Location:
Series:
Product
Benefits
Recommended
Use
Product Highlights
- This product is a retro-fit suitable only, for existing homes or structure.
- Perforated for Drainage in the Event of Exposure to Wet Weather
- Thermo Cellular Core providing a Barrier Against Conductive Heat
- Two Outer Layers of 99% + PureAluminium, with Extra Heavy Duty Rating
- Passes All Relevant Australian Standards Fire Tests
- A Fibre Free Alternative, without Proprietary Fixings or Special Protective Clothing
- Reduced on site Wastage and Improved Coverage compared to Other Products
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Commercial & Residential
Fresh look, Same GIBS quality. You may still receive items in our original packaging while we roll out our new branding.





+ more!
Reflecta™ Floor 500 Plus
– Advanced Reflective Underfloor Insulation System
Reflecta™ Floor 500 Plus is an advanced, Australian-made reflective underfloor insulation specifically designed for installation beneath suspended timber floors. Engineered with reflective foil technology, Reflecta™ Floor 500 Plus delivers superior thermal performance, robust moisture management, and effective acoustic insulation, making it ideal for residential, commercial, and renovation projects.
Why Choose Reflecta™ Floor 500 Plus?
Reflecta™ Floor 500 Plus complies with Australian Standards AS/NZS 4859.1 and AS/NZS 4200.1, recognised by National Building Codes (NCC 2019 & 2022).
- Electrical Conductivity: Conductive (exercise caution near electrical fittings)
- Flammability Index: Low (≤5)
- Emittance Values: Reflective Silver Side 0.03, Antiglare Side 0.05 (IR Reflective)
Safety Note: Due to its reflective foil surfaces, installers must wear UV protective sunglasses and sunscreen.
Proudly Australian Made and Owned
Manufactured by GIBS in Australia, Reflecta™ Floor 500 Plus represents local innovation, high-quality craftsmanship, and strict adherence to compliance and performance standards designed specifically for Australian conditions.
Experience superior underfloor insulation, robust moisture control, and enhanced acoustic comfort with Reflecta™ Floor 500 Plus—your trusted solution for efficient, comfortable, and durable flooring insulation.
For comprehensive installation instructions and additional product information, visit our installation resources.
Warranty
Warranty Info GI in our name reflects our commitment to creating and developing Green Insulation (GI) products for the global commercial and home insulation markets. GI Building Sciences® Warranty/Guarantee statement. The warranty period is for 15 years from the date of manufacture which is printed on our rolls of insulation The GI Building Sciences Insulation warranty covers oxidisation and corrosion for 15 years from manufacture (subject to storage, transport and installation conditions).
GI Building Sciences® also warranty against faulty manufacture or failure of their products for 15 years. To claim against warranty, please contact GI Building Sciences® direct on (07) 3200 6522 GI Building Sciences® will bear all reasonable costs to the user for any claims on warranty, anywhere within Australia. Warranties and guarantees from GI Building Sciences are in addition to other rights and remedies of the customer under law Warranties and guarantees are conditional upon our products being used, stored, applied and installed as per the manufacturers specifications on each product as described by the Company.
“Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.”
“GI Building Sciences® genuinely stand up for quality and responsible Australian manufacturing. Our new reflective foil manufacturing plant at Meadowbrook in Queensland produces the highest quality aluminium reflective bubble foil insulation in Australia. I give you this guarantee of my personal attention to ANY claim for ANY reason”.
Product Testing Analysis
Results
| Vapour Permeability | 0.0160 µg/N.s (Class 2 Vapour Barrier) |
| Duty Classification | Extra Heavy Duty |
| Thermal Performance | ASTIM C518 |
| Material Thermal Resistance | 0.12 (M2K/W) |
| Flammability Index | AS/NZS 1530.3 |
| Ignitability Index | AS/NZS 1530.3 |
| Spread of Flame Index | AS/NZS 1530.3 |
| Heat Evolved Index | AS/NZS 1530.3 |
| Smoke Developed Index | AS/NZS 1530.3 |
| Textile Testing | Extra Heavy Duty |
| Resistance to Dry Delamination | AS/NZS 4201.1 |
| Resistance to Wet Delamination | AS/NZS 4201.2 |
| Shrinkage | AS/NZS 4201.3 |
| Water Control Classification | Water Barrier |
| Resistance to Water Penetraton | AS/NZS 4201.4 |
| Water Absorbency | AS/NZS 4201.6 |
| Water Vapour Transmission | ASTM E96 |
| Edge Tearing Resistance | Extra Heavy Duty (TAPPI T470) |
| Surface Corrosion | AS/NZS 4859.1 App 1 |
| Acoustic | ISO 354 |
| Electrical Conductivity | Conductive (important safety consideration) |
| Flammability Index | Low (≤5) |
| Tensile Strength | Extra Heavy Duty (AS 1301.448s) |
| UV Exposure | Product should be promptly installed and not left exposed |
Specifications
Product Details
| Product Code | RCF500 |
R Values
| R Value Floor Inward (m2K/W) | 2.1 |
| R Value Floor Outward (m2K/W) | 2.7 |
| Material R Value at 23Deg | 0.12 |
Roll Information
| Roll Qty | 3 |
| Roll Width | 0.5 |
| Roll Length | 20 |
| Roll Area | 30 |
| Roll Diameter | 0.37 |
| Roll Weight | 13.2 |
Key Information
| Silver Side Emittance | 0.03 |
| Antiglare Side Emittance | 0.05 |
| Application Type | Commercial, Residential |
| Location | Floor |
| Product Type | Thermal & Sound Insulation |
| Structure Suitability | Timber Frame |

What Sets Us
Apart
Quality Products Built For Australian Conditions
Improved Vermin Resistance

Proudly
Australian-Owned
Built to last.
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