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Modern clay walls, installed like drywall.
Proven in Germany. Arriving in Colorado early 2027.
Suman Clay is bringing interior clay wall panels to the United States. Our panels are clay, sand and plant fiber, nothing else.
The result is a healthy, high-performing wall panel that installs like drywall and creates a compatible substrate for clay or lime plaster without the need for synthetic primers.
THE PANEL
Humidity regulation
Clay absorbs moisture when the air is damp and releases it when it’s dry, passively evening out swings in indoor humidity for a more comfortable home.
Nothing synthetic
No synthetic binders, glues or plastics. Clay and lime plasters bond directly to the panel, with no primers or bonding agents.
Mass you can build on
The panel is a base for clay plaster. Build up thicker coats for walls that smooth out temperature swings and reduce sound transmission between rooms.
Familiar workflow
Cuts and fastens like drywall. No specialty tools needed.
WHY CLAY
PROVEN IN GERMANY
Clay panels are an established building product in Germany for decades.
Since 2018 they have had their own national standard, DIN 18948. We import panels made to that standard, support every installation, and plan to manufacture here in Colorado.
Our panels are tested to european standards: fire class  B-s1,d0 (EN 13501-1) · top humidity class WS III (DIN 18948) · Rw 49 dB for tested clay panel walls. US fire testing (ASTM E84) planned for 2027.
PILOT PROJECTS
Building in Colorado next year? Now booking spring 2027 pilot projects. Pilot partners get on-site installation support, help preparing the building department submittal, and professional photos of the finished wall.
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Suman Clay was founded in Denver by Ricky Boebel, a carpenter with a background in historic preservation and Passive House building.
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