Certified systems. Proven performance.

Technical details that deliver

Built to meet and exceed standards

The Bio Twin Wall System has been tested, accredited, and engineered to meet modern building regulations, fire safety, structural requirements and offsite installation needs – without compromising on sustainability or flexibility.

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Built on trusted certifications

Our system meets rigorous industry standards for fire safety, durability, structural integrity and mortgage acceptance, backed by leading accreditations from BOPAS and STA assure gold.

At a glance

Proven technical advantages

Fire Rated

REI 60 certified from both sides, meeting strict fire safety and Building Control standards.

Panel Options

Available as open or closed panels, adaptable to different build programmes and access needs.

Build Tested

Backed by STA Assure Gold, ISO9001 and BOPAS accreditations.

Digitally Enabled

Supplied with BIM models and CAD/CAM integration - what you model is what we deliver.

Engineered for real-world delivery

3D BIM model of a two-story house structure using the Bio Twin Wall System, showing the timber frame panels and roof trusses on a masonry plinth.

The system is UKAS Certified to BS EN 1365-1:2012, achieving REI 60 (60 minutes) from both inside and outside.

Yes, our BIO Twin Wall system has been approved for projects by the NHBC and other warranty providers and is BOPAS accredited, making it suitable for both private and social housing projects requiring warranty cover.

Yes, we currently offer three insulation options for the BIO Twin Wall System, hemp, wood-fibre, or multi-foil, depending on performance priorities. Other Insulation options are likely to be available in the future.

The system is designed to accept timber cladding, brick, render systems and other ventilated rain-screen finishes, thanks to its cavity detailing and sheathing options.

Yes. We provide BIM models for all projects using Autodesk Revit, and our CAD/CAM setup ensures design accuracy from digital model to physical panel.

Our in-house energy assessors can provide SAP, EPC, PHPP, U-value calculations, psi-value modelling, overheating risk analysis (Part O), and full net-zero design support.

Tested, certified and site-ready

Backed by REI 60 fire testing, BOPAS accreditation, STA Gold assure and full ISO 9001 QA processes — the Bio Twin Wall System offers technical assurance from concept through to completion.