Guide to YELLOWtongue®, BLUEtongue® and REDtongue® Flooring
Confused about tongue colours? Everything you need to know about STRUCTAflor®, YELLOWtongue®, BLUEtongue®, and REDtongue® flooring.
Flooring Solutions That Work As Hard As You Do
From residential homes to complex commercial builds, Porta’s certified structural flooring range delivers reliable performance, including compliant wet area support. Strong, stable subfloor systems that perform, job after job.
Solutions You Can Count On
Explore the STRUCTA™ rangeLoad-Bearing Performance
STRUCTAflor is engineered for strength and certified for standard joist spacing, delivering reliable support under pressure.
Guaranteed Compliance
Certified to AS/NZS 1860.1 and independently tested by EWPAA, STRUCTAflor gives you confidence that your build meets code.
Termite Protection
H2-treated for long-term defence against termite damage, protecting your subfloor investment in high-risk areas.
Engineered for Australian Builds
Proven to perform in high-humidity, bushfire and flood-prone environments without compromising strength.
Moisture Protection
Wax-impregnated panels help resist swelling, and maintain stability in wet conditions, reducing delays on site.
Fast, Efficient Installation
Manufactured to precise standards for a secure fit with standard joist layouts, keeping installation efficient and your job moving.
The STRUCTA™ Standard
Australian Made
Proudly made and owned in Australia. Built to perform in local conditions and meet Australian Standards.
Built for Strength
Engineered for load-bearing performance with proven strength and stability across every build.
Trade Trusted
Trusted by builders for over 50 years as the dependable choice for structural performance and reliability.
Certified & Compliant
Tested and certified to Australian Standards for lasting quality, safety and code-compliant construction.
Reliable by Design
Manufactured to precise specifications for consistent quality and dependable results, job after job.
I need a solution for
Industrial Mezzanine Floors
Where high load performance is required, STRUCTAply Flooring provides a strong, cost-effective alternative to concrete systems. Its strength-to-weight ratio helps reduce overall building load while supporting heavy storage, work areas and equipment. When specified in the correct thickness over steel framing, it delivers a reliable mezzanine floor solution for commercial and industrial environments.
I need a solution for
Termite Protection
STRUCTAflor Termite Treated is a cost-effective, H2 treated structural particleboard sheet flooring solution, engineered to provide long-term defence against termite damage in high-risk areas.
I need a solution for
Wet Area Structural Flooring
Where compliant structural flooring support is required in wet areas, STRUCTAply Flooring provides a strong, stable substrate. Engineered to meet AS 3740-2021 when installed in accordance with guidelines, it delivers reliable performance beneath approved waterproofing systems across residential and commercial projects.
Browse Structural Flooring Products
STRUCTAflor® Termite Treated
H2 termite protected flooring, providing cost-effective long-term defence against termite damage in high-risk areas.
STRUCTAflor® General Purpose
Versatile and reliable structural flooring solution designed for a wide range of residential and commercial building projects.
STRUCTAply® Flooring
STRUCTAply™ Flooring is a high-performance structural plywood panel engineered for strength, stability and long-term durability in residential, commercial and modular construction applications.
Application for Builders
Residential Flooring Systems
Deliver strong, stable subfloors for homes, designed to meet standard joist spacing and support heavy foot traffic.
Multi-Unit Developments
Engineered for consistent performance across large-scale builds, ensuring compliance and efficiency from the ground up.
Termite Protection
Safeguard structures with termite-resistant subfloor systems tested and certified for high-risk zones.
Bushfire Zone Construction
Choose subfloors with proven resilience in bushfire-prone areas, maintaining structural integrity under extreme heat.
Commercial & Light Industrial Projects
Support high-load, high traffic environments with robust subfloor solutions built for strength and longevity.
Coastal & High-Humidity Builds
Protect against swelling, warping, and moisture damage in coastal regions and tropical climates, with durable, moisture-resistant panels.
Building Better with Porta
50 years of excellence: The journey of STRUCTAflor® in Australia
STRUCTAflor has been and remains an integral part of the building industry in Australia for over 50 years - making it the most trusted brand in flooring.
Subfloor Ground Clearance and Ventilation Rules for STRUCTAflor®
When installing STRUCTAflor, getting the subfloor right is just as important as the flooring itself.
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