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Reflecta-Floor 500 Plus™

High-Performance building insulation

Built For

Aussie

Conditions

5.0

Install Location:

Product

Benefits

Quick drainage, heavy-duty outer layer of aluminium, enhanced thermal efficiency

Recommended

Use

Effective condensation management & versatile application for existing floors
Product Highlights

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Australian
Owned
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Local
Stock
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Over 200 Stockists

Commercial & Residential GIBS

Commercial & Residential

We're Updating Our Packaging!

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

Available in Over 200 Stockists Nationwide
Description

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?

Exceptional Thermal Performance
Reflecta™ Floor 500 Plus achieves exceptional thermal insulation, with Total R-values of 2.1 (heatflow inward) and 2.7 (heatflow outward). This significantly improves comfort, energy efficiency, and helps reduce energy bills.
Advanced Condensation and Moisture Management
Classified as a Class 2 Vapour Barrier (vapour permeability 0.0160 µg/N.s), Reflecta™ Floor 500 Plus effectively manages moisture and condensation, reducing risk of mould, frame deterioration, and costly structural damage.
Perforated Design for Improved Drainage
Reflecta™ Floor 500 Plus features a perforated design that allows effective drainage during exposure to wet conditions, enhancing its durability and suitability for Australian climates.
Fibre-Free & Easy Installation
Reflecta™ Floor 500 Plus is fibre-free, requiring no special protective clothing for installers. Supplied in convenient rolls (each 500mm wide x 20m long, sold in packs of three rolls covering 30m² total), it simplifies installation, reduces labour time, and minimises wastage.
Extra Heavy Duty & High Impact Resistance
Reflecta™ Floor 500 Plus provides exceptional strength, durability, edge tear resistance, and high impact resistance, ideal for demanding underfloor environments.
Effective Acoustic Comfort
Delivers additional acoustic insulation, reducing noise by 9 dB in a 1/3 octave band for quieter, more comfortable indoor environments.
Compliance and Safety

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.

Installation

Download our installation guide:

Technical

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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 Permeability0.0160 µg/N.s (Class 2 Vapour Barrier)
Duty ClassificationExtra Heavy Duty
Thermal PerformanceASTIM C518
Material Thermal Resistance0.12 (M2K/W)
Flammability IndexAS/NZS 1530.3
Ignitability IndexAS/NZS 1530.3
Spread of Flame IndexAS/NZS 1530.3
Heat Evolved IndexAS/NZS 1530.3
Smoke Developed IndexAS/NZS 1530.3
Textile TestingExtra Heavy Duty
Resistance to Dry DelaminationAS/NZS 4201.1
Resistance to Wet DelaminationAS/NZS 4201.2
ShrinkageAS/NZS 4201.3
Water Control ClassificationWater Barrier
Resistance to Water PenetratonAS/NZS 4201.4
Water AbsorbencyAS/NZS 4201.6
Water Vapour TransmissionASTM E96
Edge Tearing ResistanceExtra Heavy Duty (TAPPI T470)
Surface CorrosionAS/NZS 4859.1 App 1
AcousticISO 354
Electrical ConductivityConductive (important safety consideration)
Flammability IndexLow (≤5)
Tensile StrengthExtra Heavy Duty (AS 1301.448s)
UV ExposureProduct should be promptly installed and not left exposed

Specifications

Product Details
Product CodeRCF500
R Value Floor Inward (m2K/W)2.1
R Value Floor Outward (m2K/W)2.7
Material R Value at 23Deg0.12
Roll Qty3
Roll Width0.5
Roll Length20
Roll Area30
Roll Diameter0.37
Roll Weight13.2
Silver Side Emittance0.03
Antiglare Side Emittance0.05
Application TypeCommercial, Residential
LocationFloor
Product TypeThermal & Sound Insulation
Structure SuitabilityTimber Frame

What Sets Us

Apart

Quality Products Built For Australian Conditions

Improved Vermin Resistance

Proudly

Australian-Owned

Locally owned. Nationally trusted.
Built to last.

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Made for Aussies.
By Aussies.

GI Building Sciences™ is a wholly Australian-owned manufacturing company. We attribute our success to strong environmental ethics, faith in the economic, political and social fabric that creates opportunity in this great country, and sheer determination to succeed.
25 Years

In the Business for 25+ Years

With over 25 years of experience, GI Building Sciences™ is a trusted Australian-owned leader in insulation and energy-efficient solutions. We partner with a wide range of stockists, serving residential and commercial clients nationwide, offering tailored solutions for diverse needs and budgets.