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The Piha Cleanstone is an innovative solution for solid surfaces and decorative panel applications. Perfect for adding character and sustainability to any space, this elegant paneling is made from hard-to-recycle plastic waste sourced from Aotearoa, New Zealand.  

This pre-finished panel is crafted from both industrial food packaging and post-consumer plastics. It is 100% waterproof, low maintenance and ultra-durable with no rotting, chipping or loss of quality. 

The Piha Cleanstone is designed to be a truly sustainable product, with the ability to buy back used products to be recycled into new ones over and over again. You can customize the color and finishes of this product to create a story that is specific to your business. Plus, with Just-in-Time Production, you can produce Cleanstone to scale with your demand and deliver them on a fortnightly to monthly basis. 

For a product that is beautiful, low Carbon, low maintenance, tough and durable, and easy to install, look no further than Piha Cleanstone.

  • Category
    Wall Panels & Cladding , Solid Surface Benchtops, Solid Surface
  • Brand
  • Warranty

LIFE SPAN | 20+ years to lifetime.

INSTALL | Quick. Critical. Panels are prefinished and versatile to work with. No sanding and sealing.

MAINTENANCE | Very easy. Scuffed surface, quicksand and it's good as new.

DURABILITY | Very Tough. Solid block of 100% recycled plastic material all the way through. No delamination, no chipping and no loss of quality from breakable veneers.

LIQUID/ MOISTURE RESISTANCE | Indestructible. If dropped in pool of water, it will last forever.

SURFACE WEAR | Moderate but not easily visible Though plastic surface is moderately resistant to scuffing, certain patterns can hide it.

Scope of use

Density Plus Cleanstone made from 20 out of 24 plastic types are made to take a beating.

Endless Design AdvantageWe work with you to co-design Cleanstones that tell a sustainability story specific and unique to your business.

Just-in-time ProductionCritical. can manufacture to scale with your demand and deliver Cleanstones as we produce them on a fortnightly to monthly basis.


Cleanstone benefits:

  • Low Carbon
  • Low maintenance
  • Tough and durable - no rotting, chipping or loss of quality
  • 100% moisture and water proof
  • Pre-designed or custom colour and finishes

To complete the cycle and be a truly sustainable product, at the end of our product's life we buy back Cleanstone to recycle into new Cleanstone over and over again.

SKU: piha-9
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About the

Create Beautiful Sustainable Interiors. Stunning, 100% Recycled Plastic Panels To Elevate Your Next Project

Sustainability isn’t a buzzword.

It’s expected from your clients, many industry standards and awards require it, and your career depends on it. Architects and designers tell us it's difficult to find a recycled material that inspires them - that looks beautiful, feels refined, and functions as well as its unsustainable counterparts.

That’s the challenge Critical’s Cleanstone is here to solve.

Show stopping sustainability.

Cleanstone from Critical is a stunning, sustainable, 100% recycled plastic panel that can elevate your next project. Made in Aotearoa from 100% reclaimed NZ plastic waste, our panels come in a variety of pre-designed or custom colours and finishes, so you can realise your design vision and create a space that is truly unique.

And, at the end of their life, we buy them back to recycle into new Cleanstone over and over again.

Ko wai tātou? Who are we?

As a Māori owned clean technology company, we believe that our wellbeing and our future depend wellbeing of our environment. Therefore our life’s work is to care for our planet.

Climate change and plastics pollution are the defining challenges of our generation. In Aotearoa NZ, we import over 400K tonnes of new plastics, and send into landfill up to 330K tonnes of used plastics every year. Meanwhile 11% of global carbon emissions are from the production of building materials.

We started Critical. because we want to be good ancestors for future generations so our children can prosper for thousands of years to come.