Fresh look, Same GIBS quality. You may still receive items in our original packaging while we roll out our new branding.
Reflecta Under-Slab™
Thermo-Cellular Insulation Solution
Built For
Aussie
Conditions
5.0
Product
Benefits
Recommended
Use
Product Highlights
- Easy to install and highly thermally efficient solution to insulating under suspended floors
- The insulation is thermally bonded with up to 90% recycled content, making it an environmentally friendly product
- This robust underfloor insulation system is designed specifically for the Australian Climate
- Suitable for both suspended and raised timber floors between joists, as well as in solid concrete floors and tiled surfaces
Need help understanding if this product is right for you? Contact our team today and we’ll be happy to help.
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Owned
Stock
Over 200 Stockists
Commercial & Residential
Fresh look, Same GIBS quality. You may still receive items in our original packaging while we roll out our new branding.
Reflecta™ Under-Slab Plus
– Advanced Reflective Damp-Proofing Membrane for Concrete Slabs
Reflecta™ Under-Slab Plus is an advanced, Australian-made reflective damp-proofing membrane specifically engineered for use beneath concrete slabs. Combining effective moisture management with reflective insulation technology, it provides exceptional thermal performance, robust protection against dampness, and significantly contributes to a building’s overall energy efficiency.
Why Choose Reflecta™ Under-Slab Plus?
Reflecta™ Under-Slab Plus fully meets Australian Standards (AS/NZS 4859.1, AS 2870) and relevant health and safety requirements.
- Electrical Conductivity: Conductive (caution must be exercised around electrical fittings).
- Flammability Index: Low (≤5), compliant with Australian safety requirements.
Safety Note: Due to highly reflective surfaces, installers must wear UV protective sunglasses and sunscreen.
Proudly Australian Made and Owned
Manufactured by GIBS in Australia, Reflecta™ Under-Slab Plus exemplifies local innovation, high-quality craftsmanship, and strict adherence to compliance standards, designed specifically for Australian construction conditions.
Experience enhanced thermal insulation, robust moisture control, and reliable protection with Reflecta™ Under-Slab Plus—the advanced reflective damp-proofing solution for concrete slab construction.
For detailed installation instructions and further product information, visit our installation resources.
Warranty
Products are to be stored flat on a clean, level surface and kept under cover. Returns of product displaying effects of deformation due to incorrect storage practices will not be accepted.
The product information included in this publication is provided in good faith in order to ensure the optimum performance of this product. However, no warranty is given or implied with respect to this information or the product itself regarding the product’s suitability for any particular purpose, as factors outside our knowledge and control may affect its use.
The usage of this and other building membranes will affect moisture migration in the building element. The purchaser is responsible for independently determining the suitability of the product for the intended purpose. GI Building Sciences Pty Ltd reserves the right to amend product specifications without prior notice. Information provided is considered to be true and correct at the time of publication.
Product Testing Analysis
Results
| Surface Corrosion | AS/NZS 4859.1 Appendix I - Pass (Reflective Side Only) |
| Thickness | AS/NZS 4347.9 - Comply |
| Impact Resistance | AS/NZS 4347.6 - High Impact Resistance |
| Vapour Permeance | ASTM E96 - Comply |
| Falling Aggregate | CSIRO Method - Comply |
Specifications
Product Details
| Product Code | CTW1650 |
R Values
| System R-Value Winter | 1.66 |
| System R-Value Summer | 0.45 |
Roll Information
| Roll QTY | 1 |
| Roll Width (m) | 1.5 |
| Roll Length (m) | 50 |
| Roll Area (m2) | 75 |
Key Information
| Application Type | Commercial, Residential |
| Location | Slab |
| VPM Type | Reflective Damp-Proofing Membrane |
What Sets Us
Apart
Quality Products Built For Australian Conditions
Ideal for pod flooring systems
Proudly
Australian-Owned
Built to last.
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Frequently Asked
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By Aussies.
