HYDRADUR® NHL 5 is a high performance natural hydraulic lime according to EN 459-1. It is made by burning and deleting a specially selected shell limestone.
HYDRADUR® NHL 5 is a historical, cement-free and gypsum-free, naturally hydraulic binder, which is obtained from a unique natural limestone marl and contains no other additives. It is particularly suitable as a binder for the production of high-quality plaster, grout and masonry mortar in the field of historic preservation and ecological house building. Due to its natural color and its optimal composition according to historical model, it is used wherever there are increased demands on pure lime mortar.