Resources
Critical. Cleanstone is both Green Star certified as well as Living Building Challenge accredited. Our Sustainability credentials are recognised in NZ and Australia. Get the maximum number of credits for Green Star builds, Living Building Challenge projects or any zero waste and low carbon project.
Working on a fit out? Reach out and one of our experts will get in touch.


Living Building Challenge™ (LBC) accredited
LBC and Green Star are rigorous certifications that ensure materials meet strict sustainability criteria. Here's what it means for your next project:
1. Reduced Environmental Impact: LBC and Green Star are rigorous certifications that ensure materials meet strict sustainability criteria.
2. Enhanced Project Credibility: By incorporating certified materials like Cleanstone, you can elevate your design proposals and showcase your commitment to sustainability.
3. Streamlined Certification Process: Using LBC and Green Star certified materials simplifies the overall certification process for your projects.

Eco Choice Certified.
"Eco Choice Aotearoa is thrilled to award its ecolabel to Critical; a business committed to innovation, transparency, people and planet.
During the certification process, most first-time applicants find they need to reconsider their usage of particular ingredients, materials or production methods. However, Rui and his team were fully prepared and worked diligently through our strict pass/ fail criteria. Our ecolabel is earned, not bought, and Critical has absolutely earned it – whakamihi!”
Laura Gemmel, CEO at Eco Choice Aotearoa

Product Specs + Pricing
Whether you’re comparing materials, checking fit for application, and getting clear on budget before specification or procurement. You’ll find Cleanstone’s core product details — sheet size, thicknesses, colours, applications, and pricing by volume — plus real project examples that show how it performs in high-traffic retail and public spaces.

Working with Cleanstone
Our latest Cleanstone Design + Install Guide gives architects, designers, fabricators, and installers practical guidance on specifying, cutting, fixing, and finishing Cleanstone across both building-product and furniture applications. It also covers key considerations like thermal movement, bracing, adhesives, care, and recycling, so you can design and install with confidence.


Cleanstone Warranty
When you choose Cleanstone, you’re choosing a material built to last. Every panel is made from 100% recycled plastic waste — and we stand behind it.
That’s why every Cleanstone panel comes with a 10-year warranty.
We guarantee your product against manufacturing defects, and if something goes wrong with the material itself, we’ll repair or replace it. Simple as that

Care, Maintenance + Handling
These guides are here to help you look after Cleanstone properly — from safe handling, transport, storage, and workshop practices, through to everyday cleaning, stain removal, and simple maintenance to keep panels looking their best over time. They’re a practical reference for anyone working with or caring for Cleanstone before, during, and after installation.

Specification + Compliance Documents
These documents are here to make specification, consent, and project changes easier to navigate. Use the BPIR Declaration to understand Cleanstone’s scope of use and Building Code contribution, the Certifications sheet to support sustainability-led project documentation, and the Minor Variation form when Cleanstone is being substituted into a consented project.

'How To' videos
Access a growing library of short, practical videos answering the questions clients, designers, and installers ask us most. It’s designed as case studies, making Cleanstone easier to understand and work with — giving a bit more context, visual guidance, and real-world tips you can quickly apply on your project.

Need More Inspiration?
Explore a regularly updated library of recent Cleanstone projects — from residential kitchens to retail fit-outs and commercial spaces. Use these case studies as a moodboard for your next idea, or share them with clients to help them see why Cleanstone could be the right material for their project.















