The Natural Building Centre

Y Ganolfan Adeiladu Naturiol.

Naturally Hydraulic lime (NHL)

Naturally Hydraulic lime sets harder and quicker than lime putty and is usually used externally as a more robust lime to cope with the weather, or where you need greater compressive strength. NHL comes in three different strengths, NHL 2 NHL3.5 and NHL5, NHL 5 being the hardest.

Natural Hydraulic Lime

This is a dry powdered lime produced from limestone containing clay and other impurities, which enable it to set without exposure to air. It is therefore used for providing a faster initial set in more extreme conditions including under water.

Find out more about Natural Hydraulic Lime