CALCIDUR ® is a Natural Hydraulic Lime EN 459-1 - NHL 2 CALCIDUR ® is produced from heating limestone in a shaft kiln. Natural Hydraulic Limes are made today in much the same way as they have been for centuries. Natural Hydraulic Limes have unique qualities that have been tested by time and cannot be equaled.

Because of their composition and performance characteristics, Natural Hydraulic Limes are the ideal product for binding Hempcrete.

55 Pounds of Hempcrete Binder - $49.99