With Keystone Compac's earstone, you build 90 degree outer corners. At inner corners, existing Keystone Compac building blocks are used. Available in the colors grey & graphite.
Colour Grey, Graphite & Brown Graphite
Access; depending on the height of the wall
Width 460 mm
Height 200 mm
Depth 230 mm
90 degree outer corner
Glues with advantage
Region availability