Natural mineral / Board

Clayboard heavy LEMIX D22/D16

Dry-construction clayboards (LEMIX D22/D16) from CLAYTEC, Viersen, Germany. Clay, earth, wood fibre and starch with a jute-fabric backing. D16 at 16 mm/23 kg/m², D22 at 22 mm/32 kg/m², bulk density class 1.6 (~1,550 kg/m³). Fire A2-s1,d0, λ 0.353 W/mK. natureplus ecolabel Type 1 (per EN 14024), DIN 18945-48, QNG-compliant. For interior walls, ceilings and roof faces, and as a substrate for clay plasters.

Clayboard heavy LEMIX D22/D16 representative image

After clay plaster (Clayworks) and compressed blocks (BC), this fills the dry-lining stage of earth building — installed like plasterboard yet bringing clay's…

Good for

  • A plasterboard alternative adding thermal mass and humidity buffering to timber and stud walls
  • Substrate for clay plaster finishes — earth interiors built dry

Consider

  • The natureplus certificate number is not on the page; original unread.
  • Substantial weight (32 kg/m²) needs framing checks; not for direct-water zones (showers). Korean availability unconfirmed.
Manufacturer
CLAYTEC GmbH & Co. KG
Availability
Korea route unconfirmed
Checked
2026-09-04