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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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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

Download our technical sheet information:

Warranty

Warranty Cover

GIBS warrants the products listed below against manufacturing defects for 15 years from the date of installation. The products are also warranted on delivery to meet the applicable GIBS product specifications and the standards stated in the relevant GIBS technical literature.

Conditions

This warranty applies only where the product remains unaltered, has been correctly stored and handled, and has been installed by a suitably qualified tradesperson in accordance with GIBS installation instructions and technical information current at the date of installation.

Claims

A warranty claim must be submitted to the supplier from whom the product was purchased, together with proof of purchase and sufficient details and evidence of the fault and its extent. The supplier must forward the claim to GIBS. All expenses incurred in making a claim under this warranty are borne by the claimant.

Remedy and Liability

Where GIBS accepts a valid warranty claim, GIBS may, at its option, repair, rectify or replace the affected product. GIBS’ liability is limited to the replacement cost of the defective material, reduced proportionately according to the part of the 15-year warranty period that has expired.

The warranty applies only to the original building project and is limited to the GIBS product found to be defective.

To the extent permitted by law, GIBS gives no other express or implied warranty in relation to the product, including its fitness for a particular residential or commercial application other than its published recommended use. Subject to rights that cannot lawfully be excluded, GIBS will not be liable in contract, tort, negligence, strict liability, breach of statutory duty or otherwise beyond the obligations stated in this warranty.

Exclusions

  • damage to other products used with a GIBS product, or damage resulting from the installation of those products;
  • claims relating to another manufacturer’s product;
  • damage arising from recommendations made by a GIBS representative concerning other products, materials or combinations of products;
  • damage caused by the installation or assembly of the GIBS product;
  • incorrect installation or incompatibility with other materials or products;
  • use of the product for applications or purposes outside its intended or published recommended use, including uses outside the building and construction industry;
  • damage caused by aggressive chemicals, incompatible metals, immersion in water, chemically treated or green timber, storm, tempest or other events beyond GIBS’ control; or
  • normal fair wear and tear.

 

The buyer is responsible for determining the suitability and compatibility of other products, materials, or the environment of the installation site used with GIBS products and should obtain independent advice where appropriate.

Transfer and Change of Use

This warranty applies only to the original project and application and is not transferable. A change in building ownership or in the purpose or use of the building will cancel this warranty unless GIBS is notified beforehand and confirms that the warranty remains valid for the proposed use.

Australian Consumer Law

This warranty is provided in addition to other rights and remedies available under law.

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 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.

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
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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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.